function selectAll() {
			editor.shortcuts.add('meta+a', null, 'SelectAll');
		}
WebKit doesn't select all the nodes in the body when you press Ctrl+A.
IE selects more than the contents <body>[<p>a</p>]</body> instead of <body><p>[a]</p]</body> see bug #6438
This selects the whole body so that backspace/delete logic will delete everything