receive icon directly from resolvers

Dont let external resolvers send a (probably faulty) path to an image
file, but receive the image itself directly. This is consistent with
the way the config _msgtype works, so comression is supported, too.
Automatic merge of Transifex translations
Merge pull request #144 from crabmanX/resolverIcon

receive icon directly from resolvers
* Fixed info button being placed too far right.
fix subscribe and green dot svgs
* This doesn't make sense to me, but it fixes the play button being off-center.
* Use correct default viewpage image for AlbumInfoWidget.
update artist and album search wigets immediately on arbum/track found
* Fixed repainting issues with PlayableCover.
* Fixed default row sizehints in Album- & PlaylistLargeItemDelegate.
Merge pull request #145 from crabmanX/realtimeArtistSearch

update artist and album search wigets immediately on arbum/track found
* Put About Tomahawk at the bottom of the Help menu.
* Added openLogfile action to ActionCollection.
* Hook up openLogfile action to TomahawkWindow's slot.
* Fixed Windows compile.
Remove obsolete actions from ui file.
* Style clean up for TomahawkWindow.
* AudioEngine shouldn't emit started() until we're really in playing state.
* More silly style fixes.
* Reset seekbar during loading so items don't move around.