for(var k in config) was assigning k to the properties of Array, not just the numeric indices
the second argument of add_buttons_group, k[1], should be config[k][1]
modify toolbar.js to be able to deal with actions.
modify maintoolbar to deal with the new action architecture
add a way to triger notification widget hiding
This decouple the notion of shortcut from the notion of executed "action"
This allow the shortcuts manager to be purely describe as data, and the
same action to be later refered to either from the shortcut, from a toolbar
button or a menu.
This also implement a more complete keyboard shortcut handler which is
able ton interpete sequences like `Cmd-X,Meta-v` By storing the
shortcuts in a tree.
Jason Grout
Bussonnier Matthias
Min RK
Jonathan Frederic
Jonathan Frederic