toolbars: Properly seperate toolbar classes from toolbutton classes
toolbars: Properly seperate toolbar classes from toolbutton classes

Otherwise the CSS won't match with a bugfixed CSS parser

https://bugzilla.gnome.org/show_bug.cgi?id=650270

Distrotech/gnome-themes-standard,ChrisCummins/gnome-themes-standard,magcius/gnome-themes-standard,Distrotech/gnome-themes-standard,cosimoc/gnome-themes-standard,rgcjonas/adwaita-semidark,magcius/gnome-themes-standard,ChrisCummins/gnome-themes-standard,rgcjonas/adwaita-semidark,ChrisCummins/gnome-themes-standard,ChrisCummins/gnome-themes-standard,cosimoc/gnome-themes-standard,rgcjonas/adwaita-semidark,magcius/gnome-themes-standard,cosimoc/gnome-themes-standard,DoctorJellyface/gnome-themes-standard,cosimoc/gnome-themes-standard,ChrisCummins/gnome-themes-standard,DoctorJellyface/gnome-themes-standard,rgcjonas/adwaita-semidark