Bumped version to 0.4.1
Updated readme.
Added ListView empty views (depending on current state).
Adjusted layout name to fit fragment name.
Added missing change from previous commit, fixed player control background color.
Added playback time texts to control view, slight layout changes.
Adjusted activity launch mode.
Fixed notification being permanently updated.
Fixed controls overlapping playlist.
Changed playlist to automatically scroll to current item in playlist on change.
Changed notification to always shouw route fragment.
Renamed "renderer" tab to "route".
Fixed RouteFragment to show correct empty view when showing playlist on start.
Fixed crash when exiting app during playback.
Fixed BroadcastReceiver being leaked on exit.
Fixed another BroadcastReceiver leak.
Restore current tab if app was killed by system.
Fixed notification not showing after resuming playback.
Refactored ListView mode changes into seperate methods.
Workaround for crash when Windows Media Player is active.