Moved actual methods from Janus_Client_Interface to RestClientInterface because PHP < 5.3.9 can't handle 2 interfaces with the same signature.
Moved actual methods from Janus_Client_Interface to RestClientInterface because PHP < 5.3.9 can't handle 2 interfaces with the same signature.

Martin1982/OpenConext-engineblock,thijskh/OpenConext-engineblock,rjkip/OpenConext-engineblock,thijskh/OpenConext-engineblock,rjkip/OpenConext-engineblock,thijskh/OpenConext-engineblock,Martin1982/OpenConext-engineblock,rjkip/OpenConext-engineblock,rjkip/OpenConext-engineblock,Martin1982/OpenConext-engineblock,thijskh/OpenConext-engineblock,Martin1982/OpenConext-engineblock