menu applet - remove animation on menu opening and closing

popupmenu.js - add toggle_with_options for opening/closing a menu
without animation or with a callback
Merge pull request #1 from mtwebster/52e6cd492259c025e9ad6cf03b892b455a6e2607

remote menu animations
prevent auto-selection of 'all apps' category.  allow down/up arrow to
select a category when no apps are currently displayed.
Merge pull request #2 from coreyfarrell/fast-menu

Fast menu