Angular2 updated to RC4.
Angular2 updated to RC4.

jussikinnula/mydatepicker,kannanParamasivam/mydatepicker,dvdgs88/mydatepicker,jussikinnula/mydatepicker,kannanParamasivam/mydatepicker,kannanParamasivam/mydatepicker,dvdgs88/mydatepicker,jussikinnula/mydatepicker,dvdgs88/mydatepicker