* upstream/master: (26 commits)
  Add a `--force` option to bin/changelog
  Update examples in changelog docs to use single quotes around title
  Use the server's base URL without relative URL part when creating links in JIRA
  Make ESLint ignore instrumented files for coverage analysis (!7236)
  Check that JavaScript file names match convention (!7238)
  Removed z-index for filters on issue boards
  GitLab 8.13 not 13
  Replace MR Description Format links
  Fix gdb backtrace command
  Update gitlab.yml.example
  remove extra spaces from app/workers/post_receive.rb
  Add Rake task to create/repair GitLab Shell hooks symlinks
  Added guide for upgrading Postgres using Slony
  Ensure hook tokens are write-only in the API
  Add support for token attr in project hooks API
  Add a CHANGELOG entry
  Fix edit button wiki
  Updated Sortable JS plugin
  Allow owners to fetch source code in CI builds
  fixes milestone dropdown not select issue
  ...