* master: (158 commits)
  Improve output for extra queries in specs
  Fixed new group milestone breadcrumb
  Try to find the merge-base against the canonical master
  Add FetchSourceBranch Gitaly call
  Backport QA code that belongs to CE from EE Geo
  Add QUERY_RECORDER_DEBUG environment variable to improve performance debugging
  Add support of Mermaid
  Update VERSION to 10.3.0-pre
  Update CHANGELOG.md for 10.2.0
  default fill color for SVGs
  Fix reply quote keyboard shortcut on MRs
  ignore hashed repos (for now) when using `rake gitlab:cleanup:repos`
  Use Redis cache for branch existence checks
  Update CONTRIBUTING.md: Link definition of done to criteria
  Use `make install` for Gitaly setups in non-test environments
  FileUploader should check for hashed_storage?(:attachments) to use disk_path
  Set the default gitlab-shell timeout to 3 hours
  Update composite pipelines index to include "id"
  Use arrays in Pipeline#latest_builds_with_artifacts
  Fix blank states using old css
  ...