Merge branch '8-4-stable' into ci/api-triggers

* 8-4-stable: (280 commits)
  Add Changelog entry for build traces data integrity fix
  Update doc_styleguide.md [ci skip]
  Added hint that you can search users by name, username, or email.
  Add changelog
  Version 8.4.0.rc1
  Randomize metrics sample intervals
  Make the metrics sampler interval configurable
  Don't automatically require awesome_print
  Disable colorization if STDOUT is not a tty
  Block the reported user before destroying the record
  changes `$quote-gray` to `$secondary-text`
  makes message plural for multiple MRs and removes from loop. Duh.
  Prepare Installation and Update docs for 8.4 RC1
  Mention channel/key bug in irkerd docs
  Revert "Remove the `:coffee` and `:coffeescript` Haml filters"
  gets merge request discussion working again
  adds back in discussion.haml.html for issues commenting and closing/reopening properly.
  removing last chunk of MR ajax changes, rest will be in another MR
  reverting more MR ajax files, will appear in different commit
  reverting MR ajax changes, which will be in a different MR
  ...

1 files changed, 30 insertions, 25 deletions

diff --git a/app/models/commit_status.rb b/app/models/commit_status.rb
index 21c5c87bc3d..ff479493474 100644
--- a/app/models/commit_status.rb
+++ b/app/models/commit_status.rb
@@ -1,30 +1,35 @@
 # == Schema Information
 #
-#  project_id            integer
-#  status                string
-#  finished_at           datetime
-#  trace                 text
-#  created_at            datetime
-#  updated_at            datetime
-#  started_at            datetime
-#  runner_id             integer
-#  coverage              float
-#  commit_id             integer
-#  commands              text
-#  job_id                integer
-#  name                  string
-#  deploy                boolean           default: false
-#  options               text
-#  allow_failure         boolean           default: false, null: false
-#  stage                 string
-#  trigger_request_id    integer
-#  stage_idx             integer
-#  tag                   boolean
-#  ref                   string
-#  user_id               integer
-#  type                  string
-#  target_url            string
-#  description           string
+# Table name: ci_builds
+#
+#  id                 :integer          not null, primary key
+#  project_id         :integer
+#  status             :string(255)
+#  finished_at        :datetime
+#  trace              :text
+#  created_at         :datetime
+#  updated_at         :datetime
+#  started_at         :datetime
+#  runner_id          :integer
+#  coverage           :float
+#  commit_id          :integer
+#  commands           :text
+#  job_id             :integer
+#  name               :string(255)
+#  deploy             :boolean          default(FALSE)
+#  options            :text
+#  allow_failure      :boolean          default(FALSE), not null
+#  stage              :string(255)
+#  trigger_request_id :integer
+#  stage_idx          :integer
+#  tag                :boolean
+#  ref                :string(255)
+#  user_id            :integer
+#  type               :string(255)
+#  target_url         :string(255)
+#  description        :string(255)
+#  artifacts_file     :text
+#  gl_project_id      :integer
 #
 
 class CommitStatus < ActiveRecord::Base