- add border-radius to filter list items
- use color as background of label for issue/pull view page

By adding a Japanese font in the less file, easier to see the display in
Japanese.

Both are possible on explore and admin panel

Collaborators have write access as default, and can be changed via repository
collaboration settings page to change between read, write and admin.

- Allow to delete current avatar

- Unified/Inline Diff-View Selectable

- User profile un/follow
- List user's followers/following