Made brightcove write token optional
Made brightcove write token optional

wevoice/wesub,wevoice/wesub,ofer43211/unisubs,norayr/unisubs,wevoice/wesub,norayr/unisubs,ReachingOut/unisubs,pculture/unisubs,pculture/unisubs,norayr/unisubs,ofer43211/unisubs,ReachingOut/unisubs,ReachingOut/unisubs,wevoice/wesub,eloquence/unisubs,norayr/unisubs,ofer43211/unisubs,ReachingOut/unisubs,eloquence/unisubs,ofer43211/unisubs,pculture/unisubs,pculture/unisubs,eloquence/unisubs,eloquence/unisubs