* master: (151 commits)
  only return last_commit_sha in the JSON
  IDE sends last commit ID when committing changes
  Reuse viewer param and move logic to blob controller
  Removes unused imports and prettifies code
  Remove unexpected data store test suite
  Add ChatOps icon to docs
  Fix indentation for 'Current status' section
  Resolve docs conflicts
  Fix "[Rails5] '-1' is not a valid data_store"
  Changed the query string parameter to a string
  Remove scrollbar in Safari in repo settings page
  Resolve ""Click to expand" link in collapsed diffs should be blue"
  Fix missing dots from the CI job log output
  Fix template icons
  remove plural from 'label'
  Fix design artifact should not be removed
  Fixed linting error with trailing space in rb
  Fix node status badge alignment in mobile layout
  Fix node action buttons alignment
  Fix geo modal header
  ...