* master: (295 commits)
  Add index to labels for `type` and project_id`
  fix rack-proxy dependency in production
  Fixed typo
  fix failing test
  fix Vue warnings for missing element
  UX Guide: Button placement in groups
  Change window size before visiting page, to get correct scroll position
  Fix slash commands spec error
  Move project services to new location under Integrations
  Move webhooks to new a location under Integrations
  Fixed eslint test failure
  Fixed adding to list bug
  Remove unnecessary queries for .atom and .json in Dashboard::ProjectsController#index
  Fixed modal lists dropdown not updating when list is deleted
  Fixed remove btn error after creating new issue in list
  Removed duplicated test
  Removed Masonry, instead uses groups of data
  Uses mixins for repeated functions
  Fixed up specs
  Props use objects with required & type values
  ...