udated README
udated README

rainkong/EFCircularSlider,glt3953/EFCircularSlider-glt3953,AlexanderMazaletskiy/EFCircularSlider,matthewyan/EFCircularSlider,DmitryNek/EFCircularSlider,neonaldo/EFCircularSlider,SatoTakeshiX/EFCircularSlider,eliotfowler/EFCircularSlider,sidorov-panda/EFCircularSlider,nagyistoce/EFCircularSlider