Tweak how the seek bar disables itself when not needed
MPDAsyncWorker: Temporarily fix reconnection.

Apparently, disconnect is broken.
MPDroidService: Fix persistent notification override.
Move xml files into xml folder

Move connectionsettings.xml and wificonnectionsettings.xml to res/xml/.
Merge pull request #585 from felixb/fix-xml-dir

Move xml files into xml folder
AlbumCoverHandler: Don't even nullify the album cover.

There's a bug in Android 4.4.4 where if nullified, the album cover will be
recycled by Android and RemoteControlClient will continue to try to use the
album cover. Don't even nullify it.
StreamHandler: Upon buffer interruption, reset mPreparingStream.

This should fix the StreamHandler being out of sync with the main process if
the buffer is interrupted.
StreamHandler: Don't call MediaPlayer.stop/reset during release.

stop() can be called after a delay and can interrupt other MediaPlayer users.
reset() is redundant.
MPDroidService: More audio focus improvements.

This fixes quite a few audio focus bugs, including abandoning audio focus on
stream pause.
MPDroidService: Clean up handler status setting.

This commit adds a method to set handler status, this should make the setting
less error prone.
MPDroidService: Change a couple of messages to direct method calls.
NetworkActivityHelper: Temporarily disable.

This one made it in a bit too early. It appeared to be working at the time,
but this concept had not matured. Disable it for now, it will return later.
NotificationHandler: Construct notification in a thread.

While running the notification in a process keeps it off the program UI thread,
apparently it will block the system. Construct the notification in a thread,
the updates are fairly lightweight.