magnatune: Implementing browse operation
magnatune: Implementing browse operation

Application can browse throw Artists, Albums and Genres.

https://bugzilla.gnome.org/show_bug.cgi?id=698523

vrutkovs/grilo-plugins,MathieuDuponchelle/grilo-plugins,kyoushuu/grilo-plugins,jasuarez/grilo-plugins,MikePetullo/grilo-plugins,jasuarez/grilo-plugins,vrutkovs/grilo-plugins,vrutkovs/grilo-plugins,MathieuDuponchelle/grilo-plugins,MikePetullo/grilo-plugins,grilofw/grilo-plugins,GNOME/grilo-plugins,MathieuDuponchelle/grilo-plugins,MathieuDuponchelle/grilo-plugins,vrutkovs/grilo-plugins,grilofw/grilo-plugins,MikePetullo/grilo-plugins,kyoushuu/grilo-plugins,kyoushuu/grilo-plugins,GNOME/grilo-plugins