- change outgoing bubble message view color to white
- refactoring color (moving into one category)
- create base class of Friend and Group chat view controllers
- rename chat view controllers (remove word "Window" from class names)
Merge pull request #51 from wiruzx/ui-fixes

UI fixes
Update ZBarSDK:
- remove info button
- change toolbar height
Merge pull request #52 from wiruzx/zbar

Update ZBarSDK