Update license in Podspec.
Update license in Podspec.

michaelkirk/SocketRocket,erikprice/SocketRocket,erikprice/SocketRocket,erikprice/SocketRocket,michaelkirk/SocketRocket,michaelkirk/SocketRocket,michaelkirk/SocketRocket,michaelkirk/SocketRocket,erikprice/SocketRocket,erikprice/SocketRocket,erikprice/SocketRocket,michaelkirk/SocketRocket,michaelkirk/SocketRocket,erikprice/SocketRocket