[Bug 406233] [commands] Tooltip not shown on dropdown menu buttons
[Bug 406233] [commands] Allow commandGroups to provide a 'tooltip'
Bug 409159 - Hiding key assist popup causes keyboard focus to be lost
Bug 409407 - URL-shim fails to parse
Fixing jslint warning
use visibleWhen to exclude save command when autosave is enabled
hide save button when editor settings change