Use AppFrame for Gtk::ApplicationWindow
Move to the new Gtk action framework.
Use the new actions in the modules.
More C++11
Provide an interface to get the module menu.
Add back the module shell menu to the menu bar.
Various C++11 changes.
Remove Gtk::UIManager
[cw] Move the new Gio::Action and such.
[mg] Update for the new Gio::Action framework.
Refactor Preferences to be in the app section of the actions.
Move Image menu to the shell menu button.
Placeholder for the module menu.
Last action conversions for the moduleshell.
Added DBG_DTOR facility
The main frame is help weak by the application.
Reorder a bit the initialization and the controller chain.

This should solve the crash on quit.
Re-indent
Fix the "open_library" file requester. It is "select folder" not create.
C++11 the selection controller signal handler.

Reformat / indent
Hold the selectable as a weakPtr. So that we can ensure memory safety.

Fix a crash when quitting the app and something is selected.
C++11 the selection controller.
Fix crash on quit.
Add option for libasan