Add a picking-enabled property to scene objects.
Add a picking-enabled property to scene objects.

Per https://github.com/Samsung/GearVRf/issues/98

GearVRf-DCO-1.0-Signed-off-by: Jon Shemitz
j.shemitz@samsung.com

liaxim/GearVRf,liaxim/GearVRf,liaxim/GearVRf,liaxim/GearVRf,liaxim/GearVRf,liaxim/GearVRf,liaxim/GearVRf,liaxim/GearVRf