* allow images from *
* set default cover art in case we don't find one
* add options for google backend
* load better quality images from google music
* fix merge error that leads in to using of uninitialized coverArt element
* handle empty playlist
* fix typo
* use json parser to convert passwords from local storage
Merge branch 'master' into pluginsystem

Conflicts:
	js/lib_core.js
	js/lib_google_music.js