cleaned up the modernizr feature listing "demo"
cleaned up the modernizr feature listing "demo"

dmolsen/Detector,fhferreira/Detector,fhferreira/Detector,hamway/Detector,dmolsen/Detector,cynhard/Detector,hamway/Detector,dmolsen/Detector,dmolsen/Detector,fhferreira/Detector,cynhard/Detector,mimmi20/Detector,cynhard/Detector,mimmi20/Detector,hamway/Detector