Removed betterpickers library

Not compatible to new support library
Removed use of indeterminate progress bar

No longer supported in version 21 of the support library
Fixed NPE in AudioplayerActivity
Updated version numbers
Updated layouts

Use new navigation drawer toggle

Customized colors of new themes

Updated navigation drawer layout

Updated "new episodes list" layout

Updated feeditemlist layout

Fixed refresh button behavior in feeditemlist

Updated downloads fragment layout

Fixed layouts on smaller screens, updated borderless buttons

Use PreferenceFragment instead of PreferenceActivity if possible

Changes of the Preference UI should now be made in the PreferenceController class.

Replaced vertical_divider with android:attr/listDivider

Updated itemlist layout in onlinefeedview

Fixed NPE in TagFragment

Updated gpodnet list layout

Updated search layout

Adjusted background color of external player

Added material design icons

Adjusted primary dark color
Updated build files