Merge branch '31987-automatically-close-assignee-select-dropdown-after-selection-when-multiple-assignees-is-disabled-ee' into 'master'

Automatically close user dropdown for CE (EE Version)

See merge request !1921

Fix participants css

Closes #2423

See merge request !1924

Fix unassigned checkmark (EE Version)

See merge request !1919

Apply CE patch for fe_guide/testing.md updates

See merge request !1915

If TestEnv#set_repo_refs fails, clean test repos and retry

See merge request !1905

Remove max select for multiple assignees

Closes #2418

See merge request !1918

[EE] Resolve "Make the DB name a suffix of the first part of jobs' name"

See merge request !1820

Signed-off-by: Rémy Coutable <remy@rymai.me>

See merge request !1866.

Signed-off-by: Rémy Coutable <remy@rymai.me>

Signed-off-by: Rémy Coutable <remy@rymai.me>

Signed-off-by: Rémy Coutable <remy@rymai.me>

Port of "rename build_events to job_events"

See merge request !1910

Signed-off-by: Rémy Coutable <remy@rymai.me>

Signed-off-by: Rémy Coutable <remy@rymai.me>

Make cron job name consistent with GeoFileDownloadDispatchWorker

Closes #2296

See merge request !1884

Related to https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/10064

Geo - Rename backfill service/worker

Closes #2274

See merge request !1883

Port common_vue config changes to EE

See merge request !1909

Make `gfm_auto_complete` a module and fix up tech debt -- EE merge edition

See merge request !1881

Signed-off-by: Rémy Coutable <remy@rymai.me>

Signed-off-by: Rémy Coutable <remy@rymai.me>

Add more choices to name the branch for docs only tests

See merge request !1908

Fix signing out from secondary node when "Remember me" option is checked

Closes #2366

See merge request !1903

http://rubular.com/r/51mKdLm6RF

Port right margin ci error icon fix

See merge request !1906