Add `rake gitlab:migrate:shell_hooks`
Merge branch 'hooks_migration_skipper' into '7-2-stable'

Hooks migration skipper

See merge request !1093
Bump gitlab-shell

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Rename migration

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Revert "Rename migration"

This reverts commit d38df04078e8de7067a914beb49ed9e30bab73f6.
Check for hooks directory symlink in gitlab:check

Conflicts:
	lib/tasks/gitlab/check.rake
Merge branch 'fix_rake_gitlab_check' into '7-2-stable'

Check for hooks directory symlink in gitlab:check

See merge request !1098
Version to 7.2.2