Version bump (2.1.2)
Version bump (2.1.2)

HqRaining78/REFrostedViewController,mobitar/REFrostedViewController,rayshen/REFrostedViewController,giuseppenucifora/REFrostedViewController,AlexanderMazaletskiy/REFrostedViewController,renmoqiqi/REFrostedViewController,romaonthego/REFrostedViewController,BlessNeo/REFrostedViewController,ernestopino/REFrostedViewController,takeshineshiro/REFrostedViewController,js/REFrostedViewController,tangwei6423471/REFrostedViewController,imjerrybao/REFrostedViewController,githubdelegate/REFrostedViewController,ywzw2013/REFrostedViewController,TaemoonCho/REFrostedViewController,jkereako/REFrostedViewController,shuketa/REFrostedViewController,ianisme/REFrostedViewController,dinhchitrung/REFrostedViewController,yky138495/REFrostedViewController,mohsinalimat/REFrostedViewController