* master: (32 commits)
  Fix specs and rubocop warnings
  fixed LDAP activation on login to use new ldap_blocked state
  Fix Admin/Users view to position buttons without spacing magic
  Update to Go 1.5.3
  Fix the undefinded variable error in Project's safe_import_url method
  Fix misaligned edit button in milestone collection partial
  Update button styles for Milestones#show
  Ensure the API doesn't return notes that the current user shouldn't see
  Add spec for Note#cross_reference_not_visible_for?
  Remove (invalid) timestamp formatting
  Move `BroadcastMessage#status` to a helper since it's presentational
  Update CHANGELOG
  Broadcast Messages can now be edited
  Update Broadcast Message features
  Update BroadcastMessage model
  Update broadcast_message helper
  Simplify BroadcastMessage factory
  Simplify broadcast message JS
  Remove alert_type attribute from BroadcastMessage
  Move broadcast message form to a partial
  ...