EVToolbox: Let's change things up again

* Theme: Holo light with a dark action bar
* Added a DrawerLayout for navigation (swiping views is still there)
* Changed immediate tabs to strips (nested tabs are still present)
* Resource cleanup

Change-Id: I88a166613b858992db0bdd32acaceae0af218bd6
Toolbox: Import superuser

 * Su requests are working fine, still needs a settings / log
   implementation.

Change-Id: If1df714be659a8d71fedc72034b0787dff60e51e