edina/fieldtrip-cobweb-project#71: added template var on renderCameraExtras for being reusable by LOS plugin
edina/fieldtrip-cobweb-project#71: added template var on renderCameraExtras for being reusable by LOS plugin

edina/fieldtrip-open,edina/fieldtrip-open,edina/fieldtrip-open,edina/fieldtrip-open