Created 'More menu' widget and added it to the unplaced unit token

Created the more menu widget. Added the more menu widget to the unplaced unit token. Also a drive by to add the correct shadow to the unplaced unit token.
This event handler should be assigned to a instance level property and then detached using the handler. The method used on line 87 works but can cause issues because using `on` with a context `this` causes it to actually be a different function. 

`this._clickoutsideEvt = boundingBox.on('clickoutside', ...`