Switch KillAll to a button & align bottom right

Change-Id: I78ebde23efc75a75bdabc8c7390c4a25a98650d4
Default to TabletUI

Change-Id: Idd0d57570bbb4bdda40d9dbc507f4b1b1f1380ba
Recents fix

Change-Id: Ifa7b4d066e947337a6c894f0ad4a50e90120cba3