Made Docs Prettier and Fixed Highlighting
Made Docs Prettier and Fixed Highlighting

The README.md file isn't using best designs for code syntax highlighting.
opentable/pubnub,opentable/pubnub,jzucker2/objective-c,640Labs/pubnub,opentable/pubnub,jzucker2/objective-c,640Labs/pubnub,640Labs/pubnub,640Labs/pubnub