MPDroid: Add some helpful Android annotations.
QueueFragment: Cleanup the QueueAdapter.
SeparatedListAdapter: Cleanup warnings.
adapters: Cleanup ArrayAdapter & ArrayIndexAdapter warnings.
Item: Fix a few potential null pointers.
SearchActivity: Small fixes.
SearchActivity: Fix a few potential NPEs.
views: Cleanup signatures.
NowPlayingFragment: Refactor track information intent sharing.
Album*DataBinder: Cleanup.
MainMenuActivity: Warning cleanup.
MainMenuActivity: onCreate() refactor.
MPDroid: Remove sortByTrackNumber.

Removed by developer concensous. This should also fix #546.
JMPDComm: Cleanup compareTo(), version 2.

Take @hurzl's review advice, this leads to a nice cleanup for this method.
MPD: Fix potential NPEs.
StreamHandler: Try to catch bandwidth warnings.
WeakLinkedList: Cleanup warnings.
MPDroidService: Wind down notification prior to stop on wind down.
Views: Cleanup warnings.