fix dependency usage in README.md
fix dependency usage in README.md

twinssbc/AngularJS-ResponsiveCalendar,twinssbc/AngularJS-ResponsiveCalendar,AlexSwensen/AngularJS-ResponsiveCalendar,AlexSwensen/AngularJS-ResponsiveCalendar,ugolek/AngularJS-ResponsiveCalendar,ugolek/AngularJS-ResponsiveCalendar