The new bundle helpers were being auto-loaded with sugar3.bundle due
to their placement in __init__.py. This was causing Gi to be imported,
breaking GTK2 activity launches.
Move the helpers to a dedicated module.
The old gtk-2 based module will be present in
the 0.94 branch in the sugar-toolkit.
Signed-off-by: Simon Schampijer <simon@laptop.org>
Acked-by: Sascha Silbe <silbe@activitycentral.com>
