3.6: Switch gdm branch to one with more initialization
3.6: Switch gdm branch to one with more initialization

djdeath/gnome-ostree,chergert/gnome-continuous,GNOME/gnome-ostree,chergert/gnome-continuous,vrutkovs/vrutkovs.github.io,aperezdc/gnome-ostree,djdeath/gnome-ostree,GNOME/gnome-ostree,chergert/gnome-continuous,GNOME/gnome-ostree,vrutkovs/vrutkovs.github.io,djdeath/gnome-ostree,aperezdc/gnome-ostree,aperezdc/gnome-ostree,vrutkovs/vrutkovs.github.io