Example update Lock to 8.2

Updates the Lock version used in the example project.

Fixes https://github.com/auth0/socketio-jwt/issues/76

example/socketsio-auth0-sample/views/index.jade

@@ -1,7 +1,7 @@
 extends layout
 
 block content
-    script(src="https://cdn.auth0.com/js/lock-8.1.1.js")
+    script(src="https://cdn.auth0.com/js/lock-8.2.min.js")
     script(src="/socket.io/socket.io.js")
     script(src="http://code.jquery.com/jquery-1.11.3.js")
 
@@ -63,7 +63,3 @@ block content
                 }).emit('authenticate', {token: userToken}); // send the jwt
             })
         };
-
-
-
-