SettingsActivity: Don't update connection settings if disconnected.
MPD: Fix Album Artist setting regression from 51cecb7.

Second attempt to fix this one.
MPD: Generalize parseResponse, add it to Tools.

This method caused an automated crash report, cleaned it up to use
Tools.splitResponse() which should fix the source of the crash,
then generalized it as it will be useful at a later time.
MPD: Don't suppress/log exception in the library for no reason.
use MPD's own database update time when checking for album cache
make backup of value before setting it
Jump to beginning of current song instead of previous if more than 5 sec have been played
Collapsed Albums: add setting
Collapsed Albums: add strings

Conflicts:
	MPDroid/src/main/res/values-de/strings.xml
Collapsed Albums: add PlaylistAlbum
Collapsed Albums: add size() and hasText() to AbstractPlaylistMusic
Collapsed Albums: add CollapsedPlaylistFragment
Collapsed Albums: use CollapsedPlaylistFragment
make playlist text autoscroll
make header in SongsFragment autoscroll
make Songs in SongsFragment autoscroll
autoscroll in albumfragment -- partially

Conflicts:
	MPDroid/src/main/java/com/namelessdev/mpdroid/views/AlbumDataBinder.java
show disc and track number in NowPlaying