m7-common: use new torch overlay option

Change-Id: Ia57929a2a64ae6ee05cbea8495c4625f0b9ddae7
m7-common: clean up deprecated custom recovery graphics

Change-Id: Ib29bcf571a6c572bc480cc3cc19daa522004329b
m7-common: remove deprecated libril flag

Change-Id: Ice136aeb05e72a450a813ccc684bbf846cfb1460
Merge branch 'cm-10.2' into martincz