songs can bump to top, but the expansion does not work within the playlist now
fully implemented bump to top. Now it plays nicely with song expansion
Merge branch 'master' into bump_song

Conflicts:
	SoundStream/src/com/lastcrusade/soundstream/components/PlaylistFragment.java
	SoundStream/src/com/lastcrusade/soundstream/service/PlaylistService.java
removed unnecessary instance variables
Merge pull request #92 from ejohnson44/bump_song

Bump song