Implement rose-edit load all apps button and menu item.
Merge remote branch 'upstream/master' into rose-edit-load-all
Move sensitivity updates to update_widgets method.
Refactor for update_widgets.
Add _ to Load All Apps menu entry.
metomi/rose#844: fix jumping page bug
Load all uses single splash screen.
rose edit: fix bugs
rose, rosie: fix bugs and typos
update
Merge pull request #865 from benfitzpatrick/rose-edit.fix-bugs

rose: fix bugs reported by pylint
Merge pull request #859 from benfitzpatrick/844.rose-edit-jump-navigation

#844: rose edit: fix jumping page bug
Drop leading / from namespace in dialog.
Merge remote branch 'upstream/master' into rose-edit-load-all
Merge pull request #849 from arjclark/rose-edit-load-all

rose edit: implement load all apps toolbar button and menu item.