update docs to new shorter require syntax
update docs to new shorter require syntax

varyform/fancybox2-rails,chrismytton/fancybox-rails,VoroninNick/eduction-abroad,VoroninNick/eduction-abroad,kyparn/fancybox2-rails,escobara/fancybox-rails,chrismytton/fancybox-rails,varyform/fancybox2-rails,escobara/fancybox-rails,kyparn/fancybox2-rails,kyparn/fancybox2-rails,varyform/fancybox2-rails,escobara/fancybox-rails,chrismytton/fancybox-rails