Upgrade to Firefox 23.0 beta 4
Upgrade to Firefox 23.0 beta 4

lbrfabio/firefox-gnome-flat,synapsos/firefox-gnome,synapsos/firefox-gnome,synapsos/firefox-gnome,lbrfabio/firefox-gnome-flat,lbrfabio/firefox-gnome-flat,lbrfabio/firefox-gnome-flat,gnome-integration-team/firefox-gnome,gnome-integration-team/firefox-gnome,gnome-integration-team/firefox-gnome,gnome-integration-team/firefox-gnome,synapsos/firefox-gnome