Improved look of ItemlistFragment header
Updated audio player layout
Moved settings button into navigation drawer
Use toolbar in MainActivity instead of actionbar
Use 2-line TextView in AudioplayerActivity toolbar
Replaced tabs with viewpager indicators

Tabs are not supported when using Toolbars
Replaced FeedItemDialog with ItemFragment
Show 'up' button instead of hamburger when showing child fragment
Improved layout

- Fixed actionbar shadow on 5.0
- Added text to action buttons in ItemlistFragment
- Use ?android:attr/listDivider for horizontal dividers in navigation drawer
Fixed 2.3 issues

- Title in FeedItemFragment was not properly displayed
- ItemlistFragment crashed when ItemFragment was closed
Updated dependencies