Improve green theme

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Case-insensetive search for issue/mr title

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

Ui improvements
Merge branch 'case-insensetive-search' into 'master'

Case insensetive search

Fixes #1258

cc @marc