Fix 500 error on group members search

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Improve issue box colors. Move colors to variables for future reuse

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Merge branch 'improve-issue-box' into 'master'

Improve issue box colors
Merge branch 'fix-group-members-search' into 'master'

Fix group members search

Postgres only.
500 error when try to search group members on `/groups/:group_id/members` page