optimize png images losslessly using zopflipng Resend https://github.com/gitlabhq/gitlabhq/pull/10354#issuecomment-222194091 Optimized 246 png images losslessly using Google's zopflipng. ``` app/assets/images/auth_buttons/azure_64.png | Bin 986 -> 695 bytes app/assets/images/auth_buttons/bitbucket_64.png | Bin 2163 -> 2161 bytes app/assets/images/auth_buttons/facebook_64.png | Bin 2970 -> 870 bytes app/assets/images/auth_buttons/github_64.png | Bin 2625 -> 1151 bytes app/assets/images/auth_buttons/gitlab_64.png | Bin 2849 -> 2070 bytes app/assets/images/auth_buttons/google_64.png | Bin 5281 -> 4366 bytes app/assets/images/auth_buttons/twitter_64.png | Bin 4835 -> 3110 bytes app/assets/images/bg_fallback.png | Bin 167 -> 167 bytes app/assets/images/dark-scheme-preview.png | Bin 3996 -> 3992 bytes app/assets/images/emoji.png | Bin 263533 -> 263346 bytes app/assets/images/emoji@2x.png | Bin 690504 -> 689076 bytes app/assets/images/gitlab_logo.png | Bin 5189 -> 3616 bytes app/assets/images/gitorious-logo-black.png | Bin 809 -> 631 bytes app/assets/images/gitorious-logo-blue.png | Bin 495 -> 201 bytes app/assets/images/icon-link.png | Bin 1128 -> 729 bytes app/assets/images/images.png | Bin 5849 -> 5806 bytes app/assets/images/monokai-scheme-preview.png | Bin 3711 -> 3708 bytes app/assets/images/msapplication-tile.png | Bin 5798 -> 4328 bytes app/assets/images/no_avatar.png | Bin 621 -> 621 bytes app/assets/images/no_group_avatar.png | Bin 942 -> 939 bytes app/assets/images/slider_handles.png | Bin 1377 -> 1341 bytes app/assets/images/touch-icon-ipad-retina.png | Bin 8130 -> 5662 bytes app/assets/images/touch-icon-ipad.png | Bin 3493 -> 2465 bytes app/assets/images/touch-icon-iphone-retina.png | Bin 4997 -> 3460 bytes app/assets/images/touch-icon-iphone.png | Bin 2766 -> 1949 bytes doc/administration/img/housekeeping_settings.png | Bin 23856 -> 19347 bytes .../img/build_artifacts_browser.png | Bin 89132 -> 82102 bytes .../img/build_artifacts_browser_button.png | Bin 11614 -> 7230 bytes doc/ci/img/builds_tab.png | Bin 3845 -> 3047 bytes doc/ci/img/features_settings.png | Bin 18691 -> 15809 bytes doc/ci/quick_start/img/build_log.png | Bin 63272 -> 52482 bytes doc/ci/quick_start/img/builds_status.png | Bin 49121 -> 41838 bytes doc/ci/quick_start/img/new_commit.png | Bin 9033 -> 7587 bytes doc/ci/quick_start/img/runners_activated.png | Bin 27597 -> 22822 bytes .../img/single_commit_status_pending.png | Bin 36431 -> 29981 bytes doc/ci/quick_start/img/status_pending.png | Bin 19782 -> 16205 bytes doc/ci/runners/project_specific.png | Bin 31408 -> 30196 bytes doc/ci/runners/shared_runner.png | Bin 18366 -> 17797 bytes doc/ci/runners/shared_to_specific_admin.png | Bin 5897 -> 5715 bytes doc/ci/triggers/img/builds_page.png | Bin 39713 -> 33324 bytes doc/ci/triggers/img/trigger_single_build.png | Bin 2895 -> 2387 bytes doc/ci/triggers/img/trigger_variables.png | Bin 5418 -> 4433 bytes doc/ci/triggers/img/triggers_page.png | Bin 15889 -> 12943 bytes doc/container_registry/img/container_registry.png | Bin 354050 -> 222782 bytes doc/container_registry/img/project_feature.png | Bin 392842 -> 248750 bytes .../branded_login_page/appearance.png | Bin 365120 -> 156228 bytes .../branded_login_page/custom_sign_in.png | Bin 314111 -> 166674 bytes .../branded_login_page/default_login_page.png | Bin 292731 -> 150538 bytes doc/development/gitlab_architecture_diagram.png | Bin 46947 -> 23831 bytes .../basicsimages/add_new_merge_request.png | Bin 9467 -> 9003 bytes doc/gitlab-basics/basicsimages/add_sshkey.png | Bin 1463 -> 1394 bytes doc/gitlab-basics/basicsimages/branch_info.png | Bin 7978 -> 7572 bytes doc/gitlab-basics/basicsimages/branch_name.png | Bin 2199 -> 2137 bytes doc/gitlab-basics/basicsimages/branches.png | Bin 3653 -> 3548 bytes .../basicsimages/button-create-mr.png | Bin 6154 -> 5927 bytes .../basicsimages/click-on-new-group.png | Bin 2063 -> 1957 bytes doc/gitlab-basics/basicsimages/commit_changes.png | Bin 5567 -> 4941 bytes doc/gitlab-basics/basicsimages/commit_message.png | Bin 5707 -> 5103 bytes doc/gitlab-basics/basicsimages/commits.png | Bin 4258 -> 4112 bytes .../basicsimages/compare_branches.png | Bin 1624 -> 1520 bytes doc/gitlab-basics/basicsimages/create_file.png | Bin 2524 -> 2451 bytes doc/gitlab-basics/basicsimages/create_group.png | Bin 3224 -> 3184 bytes doc/gitlab-basics/basicsimages/edit_file.png | Bin 2259 -> 2221 bytes doc/gitlab-basics/basicsimages/file_located.png | Bin 3156 -> 3078 bytes doc/gitlab-basics/basicsimages/file_name.png | Bin 2544 -> 2412 bytes doc/gitlab-basics/basicsimages/find_file.png | Bin 8840 -> 8426 bytes doc/gitlab-basics/basicsimages/find_group.png | Bin 6159 -> 5897 bytes doc/gitlab-basics/basicsimages/fork.png | Bin 1046 -> 896 bytes doc/gitlab-basics/basicsimages/group_info.png | Bin 16217 -> 15479 bytes doc/gitlab-basics/basicsimages/groups.png | Bin 4857 -> 4752 bytes doc/gitlab-basics/basicsimages/https.png | Bin 2887 -> 2822 bytes doc/gitlab-basics/basicsimages/image_file.png | Bin 2939 -> 2796 bytes doc/gitlab-basics/basicsimages/issue_title.png | Bin 9059 -> 8311 bytes doc/gitlab-basics/basicsimages/issues.png | Bin 4332 -> 4153 bytes doc/gitlab-basics/basicsimages/key.png | Bin 1264 -> 1177 bytes doc/gitlab-basics/basicsimages/merge_requests.png | Bin 4381 -> 4213 bytes .../basicsimages/new_merge_request.png | Bin 3227 -> 3162 bytes doc/gitlab-basics/basicsimages/new_project.png | Bin 2319 -> 2234 bytes doc/gitlab-basics/basicsimages/newbranch.png | Bin 1314 -> 1244 bytes doc/gitlab-basics/basicsimages/paste_sshkey.png | Bin 8620 -> 7699 bytes .../basicsimages/profile_settings.png | Bin 1194 -> 1101 bytes doc/gitlab-basics/basicsimages/project_info.png | Bin 21862 -> 21041 bytes .../basicsimages/public_file_link.png | Bin 3038 -> 3023 bytes doc/gitlab-basics/basicsimages/select-group.png | Bin 6075 -> 6034 bytes doc/gitlab-basics/basicsimages/select-group2.png | Bin 5049 -> 5040 bytes doc/gitlab-basics/basicsimages/select_branch.png | Bin 12213 -> 11207 bytes doc/gitlab-basics/basicsimages/select_project.png | Bin 16832 -> 16176 bytes doc/gitlab-basics/basicsimages/settings.png | Bin 4321 -> 4149 bytes doc/gitlab-basics/basicsimages/shh_keys.png | Bin 4981 -> 4782 bytes .../basicsimages/submit_new_issue.png | Bin 9083 -> 8644 bytes .../basicsimages/title_description_mr.png | Bin 12749 -> 11919 bytes doc/gitlab-basics/basicsimages/white_space.png | Bin 3707 -> 2192 bytes doc/integration/img/akismet_settings.png | Bin 55837 -> 26625 bytes .../img/enabled-oauth-sign-in-sources.png | Bin 49081 -> 21767 bytes doc/integration/img/facebook_api_keys.png | Bin 125921 -> 85832 bytes doc/integration/img/facebook_app_settings.png | Bin 134387 -> 68086 bytes doc/integration/img/facebook_website_url.png | Bin 42292 -> 19823 bytes doc/integration/img/github_app.png | Bin 75297 -> 55591 bytes doc/integration/img/gitlab_app.png | Bin 55325 -> 30963 bytes .../img/gmail_action_buttons_for_gitlab.png | Bin 17321 -> 16020 bytes doc/integration/img/google_app.png | Bin 52669 -> 29154 bytes .../img/oauth_provider_admin_application.png | Bin 40579 -> 33440 bytes .../img/oauth_provider_application_form.png | Bin 27974 -> 23048 bytes .../img/oauth_provider_application_id_secret.png | Bin 33901 -> 27673 bytes .../img/oauth_provider_authorized_application.png | Bin 32225 -> 26622 bytes .../img/oauth_provider_user_wide_applications.png | Bin 40632 -> 33337 bytes doc/integration/img/twitter_app_api_keys.png | Bin 72200 -> 36921 bytes doc/integration/img/twitter_app_details.png | Bin 121621 -> 64686 bytes doc/markdown/img/logo.png | Bin 11097 -> 9509 bytes doc/monitoring/img/health_check_token.png | Bin 10884 -> 6630 bytes .../performance/img/grafana_dashboard_dropdown.png | Bin 29419 -> 14368 bytes .../performance/img/grafana_dashboard_import.png | Bin 40974 -> 18267 bytes .../img/grafana_data_source_configuration.png | Bin 53402 -> 26060 bytes .../performance/img/grafana_data_source_empty.png | Bin 44058 -> 21821 bytes .../performance/img/grafana_save_icon.png | Bin 16024 -> 9107 bytes .../img/metrics_gitlab_configuration_settings.png | Bin 45148 -> 37228 bytes doc/profile/2fa.png | Bin 23415 -> 22047 bytes doc/profile/2fa_auth.png | Bin 15569 -> 14535 bytes doc/project_services/img/builds_emails_service.png | Bin 41222 -> 33943 bytes .../img/jira_add_gitlab_commit_message.png | Bin 57136 -> 46590 bytes .../img/jira_add_user_to_group.png | Bin 59251 -> 41994 bytes doc/project_services/img/jira_create_new_group.png | Bin 41294 -> 32934 bytes .../img/jira_create_new_group_name.png | Bin 12535 -> 9054 bytes doc/project_services/img/jira_create_new_user.png | Bin 26532 -> 21081 bytes doc/project_services/img/jira_group_access.png | Bin 46028 -> 32210 bytes doc/project_services/img/jira_issue_closed.png | Bin 92601 -> 77028 bytes doc/project_services/img/jira_issue_reference.png | Bin 39942 -> 36188 bytes doc/project_services/img/jira_issues_workflow.png | Bin 105237 -> 87067 bytes .../img/jira_merge_request_close.png | Bin 111150 -> 102835 bytes doc/project_services/img/jira_project_name.png | Bin 60598 -> 41572 bytes ...jira_reference_commit_message_in_jira_issue.png | Bin 42452 -> 33706 bytes doc/project_services/img/jira_service.png | Bin 59082 -> 56834 bytes .../img/jira_service_close_issue.png | Bin 88433 -> 79569 bytes doc/project_services/img/jira_service_page.png | Bin 49122 -> 36280 bytes .../img/jira_submit_gitlab_merge_request.png | Bin 63063 -> 51913 bytes .../img/jira_user_management_link.png | Bin 58211 -> 43095 bytes .../img/jira_workflow_screenshot.png | Bin 121534 -> 111093 bytes doc/project_services/img/redmine_configuration.png | Bin 21061 -> 16973 bytes .../img/services_templates_redmine_example.png | Bin 17351 -> 13936 bytes doc/raketasks/backup_hrz.png | Bin 21955 -> 8907 bytes doc/raketasks/check_repos_output.png | Bin 73786 -> 35333 bytes .../img/two_factor_authentication_settings.png | Bin 20399 -> 16807 bytes doc/web_hooks/ssl.png | Bin 77165 -> 39120 bytes .../img/add_new_user_to_project_settings.png | Bin 22822 -> 18149 bytes .../add-user/img/add_user_email_accept.png | Bin 22961 -> 22877 bytes doc/workflow/add-user/img/add_user_email_ready.png | Bin 40305 -> 40207 bytes .../add-user/img/add_user_email_search.png | Bin 45884 -> 45798 bytes .../add-user/img/add_user_give_permissions.png | Bin 56480 -> 56380 bytes ...dd_user_import_members_from_another_project.png | Bin 38874 -> 38778 bytes .../add-user/img/add_user_imported_members.png | Bin 37873 -> 37835 bytes .../add-user/img/add_user_list_members.png | Bin 24427 -> 24337 bytes .../add-user/img/add_user_members_menu.png | Bin 42319 -> 42224 bytes .../add-user/img/add_user_search_people.png | Bin 39941 -> 39844 bytes doc/workflow/award_emoji.png | Bin 16926 -> 9939 bytes doc/workflow/ci_mr.png | Bin 40065 -> 29571 bytes doc/workflow/close_issue_mr.png | Bin 146292 -> 82595 bytes doc/workflow/environment_branches.png | Bin 40210 -> 20745 bytes doc/workflow/forking/branch_select.png | Bin 55352 -> 27299 bytes doc/workflow/forking/merge_request.png | Bin 60597 -> 31560 bytes doc/workflow/four_stages.png | Bin 20934 -> 10003 bytes doc/workflow/git_pull.png | Bin 167056 -> 94405 bytes doc/workflow/gitdashflow.png | Bin 184726 -> 131491 bytes doc/workflow/github_flow.png | Bin 20600 -> 10251 bytes doc/workflow/gitlab_flow.png | Bin 90883 -> 70871 bytes doc/workflow/good_commit.png | Bin 28433 -> 13131 bytes doc/workflow/groups/add_member_to_group.png | Bin 138184 -> 78060 bytes doc/workflow/groups/group_dashboard.png | Bin 107332 -> 59446 bytes doc/workflow/groups/group_with_two_projects.png | Bin 129319 -> 73101 bytes doc/workflow/groups/max_access_level.png | Bin 135354 -> 74947 bytes doc/workflow/groups/new_group_button.png | Bin 185406 -> 108482 bytes doc/workflow/groups/new_group_form.png | Bin 106491 -> 58860 bytes .../groups/other_group_sees_shared_project.png | Bin 118382 -> 64447 bytes doc/workflow/groups/override_access_level.png | Bin 157193 -> 90122 bytes doc/workflow/groups/project_members_via_group.png | Bin 151339 -> 86260 bytes doc/workflow/groups/share_project_with_groups.png | Bin 118868 -> 65633 bytes doc/workflow/groups/transfer_project.png | Bin 164958 -> 92115 bytes doc/workflow/img/award_emoji_select.png | Bin 65985 -> 49296 bytes .../img/award_emoji_votes_least_popular.png | Bin 144501 -> 116715 bytes .../img/award_emoji_votes_most_popular.png | Bin 136577 -> 108775 bytes .../img/award_emoji_votes_sort_options.png | Bin 162251 -> 131659 bytes doc/workflow/img/cherry_pick_changes_commit.png | Bin 353067 -> 304098 bytes .../img/cherry_pick_changes_commit_modal.png | Bin 312659 -> 264883 bytes doc/workflow/img/cherry_pick_changes_mr.png | Bin 252085 -> 212267 bytes doc/workflow/img/cherry_pick_changes_mr_modal.png | Bin 225569 -> 186597 bytes doc/workflow/img/file_finder_find_button.png | Bin 30974 -> 25458 bytes doc/workflow/img/file_finder_find_file.png | Bin 42658 -> 35114 bytes .../img/forking_workflow_choose_namespace.png | Bin 70405 -> 59114 bytes doc/workflow/img/forking_workflow_fork_button.png | Bin 26438 -> 20750 bytes .../img/forking_workflow_path_taken_error.png | Bin 22380 -> 17978 bytes doc/workflow/img/new_branch_from_issue.png | Bin 120622 -> 54607 bytes doc/workflow/img/revert_changes_commit.png | Bin 360098 -> 233750 bytes doc/workflow/img/revert_changes_commit_modal.png | Bin 327932 -> 205046 bytes doc/workflow/img/revert_changes_mr.png | Bin 367881 -> 241051 bytes doc/workflow/img/revert_changes_mr_modal.png | Bin 335010 -> 211022 bytes doc/workflow/img/todos_icon.png | Bin 6320 -> 3843 bytes doc/workflow/img/todos_index.png | Bin 184839 -> 152040 bytes .../img/web_editor_new_branch_dropdown.png | Bin 34233 -> 20436 bytes doc/workflow/img/web_editor_new_branch_page.png | Bin 21618 -> 11245 bytes .../img/web_editor_new_directory_dialog.png | Bin 26145 -> 13339 bytes .../img/web_editor_new_directory_dropdown.png | Bin 33714 -> 20007 bytes doc/workflow/img/web_editor_new_file_dropdown.png | Bin 34978 -> 20680 bytes doc/workflow/img/web_editor_new_file_editor.png | Bin 128658 -> 66261 bytes doc/workflow/img/web_editor_new_push_widget.png | Bin 11220 -> 7076 bytes doc/workflow/img/web_editor_new_tag_dropdown.png | Bin 33753 -> 20080 bytes doc/workflow/img/web_editor_new_tag_page.png | Bin 75536 -> 36610 bytes .../img/web_editor_start_new_merge_request.png | Bin 14352 -> 8596 bytes doc/workflow/img/web_editor_upload_file_dialog.png | Bin 46219 -> 21502 bytes .../img/web_editor_upload_file_dropdown.png | Bin 34835 -> 20651 bytes .../bitbucket_import_select_project.png | Bin 16121 -> 15288 bytes .../fogbugz_importer/fogbugz_import_finished.png | Bin 53276 -> 30266 bytes .../fogbugz_importer/fogbugz_import_login.png | Bin 44444 -> 20797 bytes .../fogbugz_import_select_fogbogz.png | Bin 35415 -> 20526 bytes .../fogbugz_import_select_project.png | Bin 62552 -> 34836 bytes .../fogbugz_importer/fogbugz_import_user_map.png | Bin 157856 -> 77208 bytes .../importing/gitlab_importer/importer.png | Bin 40778 -> 18366 bytes .../importing/gitlab_importer/new_project_page.png | Bin 72663 -> 33589 bytes .../img/import_projects_from_github_importer.png | Bin 28033 -> 22711 bytes ...mport_projects_from_github_new_project_page.png | Bin 17225 -> 13668 bytes doc/workflow/merge_commits.png | Bin 41422 -> 22181 bytes doc/workflow/merge_request.png | Bin 169503 -> 98070 bytes doc/workflow/merge_requests/commit_compare.png | Bin 110376 -> 65010 bytes doc/workflow/merge_requests/merge_request_diff.png | Bin 166226 -> 103239 bytes .../merge_request_diff_without_whitespace.png | Bin 121476 -> 71896 bytes doc/workflow/merge_when_build_succeeds/enable.png | Bin 151112 -> 68769 bytes doc/workflow/merge_when_build_succeeds/status.png | Bin 180318 -> 82655 bytes doc/workflow/messy_flow.png | Bin 33829 -> 19314 bytes doc/workflow/milestones/form.png | Bin 88591 -> 84872 bytes doc/workflow/milestones/group_form.png | Bin 77087 -> 74429 bytes doc/workflow/mr_inline_comments.png | Bin 193311 -> 117313 bytes doc/workflow/notifications/settings.png | Bin 90986 -> 59256 bytes doc/workflow/production_branch.png | Bin 21716 -> 10946 bytes .../protected_branches/protected_branches1.png | Bin 170113 -> 155815 bytes .../protected_branches/protected_branches2.png | Bin 25851 -> 23208 bytes doc/workflow/rebase.png | Bin 123041 -> 68976 bytes doc/workflow/release_branches.png | Bin 44173 -> 22163 bytes doc/workflow/releases/new_tag.png | Bin 154755 -> 87330 bytes doc/workflow/releases/tags.png | Bin 165449 -> 93016 bytes doc/workflow/remove_checkbox.png | Bin 22272 -> 12339 bytes doc/workflow/share_with_group.png | Bin 53784 -> 50450 bytes doc/workflow/shortcuts.png | Bin 108255 -> 108209 bytes .../wip_merge_requests/blocked_accept_button.png | Bin 65231 -> 32720 bytes doc/workflow/wip_merge_requests/mark_as_wip.png | Bin 41549 -> 21640 bytes doc/workflow/wip_merge_requests/unmark_as_wip.png | Bin 32151 -> 16606 bytes public/apple-touch-icon-precomposed.png | Bin 11097 -> 9509 bytes public/apple-touch-icon.png | Bin 11097 -> 9509 bytes spec/fixtures/dk.png | Bin 1143 -> 1062 bytes ``` cc @connorshea See merge request !4325