Fixed bug #679487 "Huge memory leaks"
Fixed runtime warning when adding a notebook
Fixed Bug #679589 "Use Action Appearance not supported for GTK 2.12 but added to widgets in Glade 3.8.2"
Made sure use-action-appearance is not saved if there is no action defined

Conflicts:
	plugins/gtk+/gtk+.xml.in
Removed unneeded function glade_gtk_activatable_parse_finished()
Updated GtkAssistant support
Fixed bug #664276 "Can't add widgets to a GtkAssistant"
Make assistant update current page when a child is selected in the project.
Updated GtkAssistant support
Fixed bug #664276 "Can't add widgets to a GtkAssistant"
Make assistant update current page when a child is selected in the project.
Rolling out 3.12.2
Revert "Removed unneeded function glade_gtk_activatable_parse_finished()"

This reverts commit a41a51ca2754580f6a958287e2407b864319ad1e.
Fixed Bug #685816 "Widget attributes editing broken" by reverting old fix
and setting use-action-appearance default back to false so the old sensitivity
code can work as ussual.