Fixed that project identifier can always be updated (#11028).
Fixed that the issue link is escaped on my page spent time (#10991).
Korean translation added and changed by jongyoon Choi (#10988)
Use a modal form to create a category from the issue form.
Merged r9703 from trunk.
Merged r9702 from trunk.
Merged r9700 from trunk.
Fixed that updated_on is not updated when updating an issue (#10964).
Fixed that columns selection in not displayed on the custom query form (#10972).
Added yard to development gems.