Merge branch 'release/undev_v5.2.0' into develop

* release/undev_v5.2.0:
  Add bottom tooltip on hover for service fields
  fixes refs #47406
  safe highlight
  fix project search
  fix http://errbit.undev.cc/apps/34-gitlab/problems/66594
  fix deploy
  save merge request sort refs #47387
  Add expire for filters (2 week)
  Improve perfomance in namespace select for projects serach results
  fix loading count from the beginning refs #47395
  full width parallel view refs #47395
  Add ability for filter activity by favourite entities
  Enable maintance deploy page
  unfold commits refs #47395
  save
  Allow regexp in branches names refs #48760
  fix file cut down for refs #47395
fix wrong blob request refs #47395
Merge branch 'hotfix/fix-unfold'

* hotfix/fix-unfold:
  fix wrong blob request refs #47395
Merge branch 'hotfix/fix-unfold' into develop

* hotfix/fix-unfold:
  fix wrong blob request refs #47395
  Fixes and improvements in digest work
fix avatar uploading refs #51702
dont show mr widget if project deleted refs #51776
fix tests - step 1
fix db config
fix   default_issues_tracker: redmine
update gitlab example config
run faye in Thread for test env
Revert "run faye in Thread for test env"

This reverts commit bf7422c820151fde065dbbbbd003021adb2a9fbf.
fix specs
Fix user block
Fix 500 if last push was in removed project
Merge branch 'develop'

* develop:
  Fix 500 if last push was in removed project
  Fix user block
  fix specs
  Revert "run faye in Thread for test env"
  run faye in Thread for test env
  update gitlab example config
  fix   default_issues_tracker: redmine
  fix db config
  fix tests - step 1
update rugged and friend
revert filenames autocomplete refs #52451
project search namespace preload 25% speed up
change link_to to %a{href:} 30% speed up