Fixes:
- Fixed styling of some flash messages
- Fixed horizontal scrollbar appearing when sidebar is on the right
- Fixed footer being mispositioned in Agile charts
- Fixed positioning of admin menu icons for some plugins
- Fixed #93: Agile chart expanding indefinitely when Additional "Go to top" link is enabled
- Fixed #94: subtasks indentation
New:
- Added CSS grid layout support (off by default because of IE support)
- Improved support for Redmine Tags plugin
- Added separator line between news on the news list
- Improved progress bar styling, avatar positioning, WYSIWYG button styling, wiki preview font sizes