Fix UMS, Fix home key

Change-Id: I68d5b89ff66d82e71368c84f1a9b734603b7d8ed

Conflicts:
	extendedcommands.c
Inverted the order of sdcards in backup menu

Change-Id: I25a11375551a8ac727bd808fc87188fee98b12c0

Conflicts:
	extendedcommands.c