fix window resize handler
fix window resize handler

wangjun/StoryMapJS,jorol/StoryMapJS,cr3ative/StoryMapJS,BenHeubl/StoryMapJS,wangjun/StoryMapJS,miguelpaz/StoryMapJS,makinacorpus/StoryMapJS,jorol/StoryMapJS,wangjun/StoryMapJS,jorol/StoryMapJS,cr3ative/StoryMapJS,1modm/StoryMapJS,1modm/StoryMapJS,1modm/StoryMapJS,miguelpaz/StoryMapJS,miguelpaz/StoryMapJS,makinacorpus/StoryMapJS,jorol/StoryMapJS,BenHeubl/StoryMapJS,cr3ative/StoryMapJS,BenHeubl/StoryMapJS,wangjun/StoryMapJS,1modm/StoryMapJS,BenHeubl/StoryMapJS,cr3ative/StoryMapJS,makinacorpus/StoryMapJS