* upstream/master: (39 commits)
  Fix searching for files by path
  Fix invite by email address duplication
  Revert "Merge branch 'mk-reenable-mysql-tests-on-all-branches' into 'master'"
  Revert "Merge branch 'sh-sidekiq-backtrace' into 'master'"
  Add missing third argument to `Git::Repository#initialize` in spec
  New doc: how to install GitLab on Azure
  Enable 5 lines of Sidekiq backtrace lines to aid in debugging
  Reenable MySQL tests on all branches
  Add `:nested_groups` metadata to `Groups::NestedCreateService` specs
  Re-allow appearances.description_html to be NULL
  Remove leftover API helper for removed CI API
  Define ldap methods at runtime
  Changed all font-weight values to 400 and 600
  Use gitaly-proto 0.31.0
  Avoid committer = lines
  Reword job to pipeline on the chart view
  Remove underscore-rails gem
  Hide group title on sidebar collapse; use more generic class for titles
  Add tests for Committer#==
  Added repo_service_spec for commitFlash and corrected repo_commit-Secion api spec
  ...