Merge pull request #93 from netlify/fix-ws-proxying

Fix websocket proxying

Author: biilmann

src/commands/dev/index.js

@@ -79,7 +79,8 @@ function initializeProxy(port) {
       req.proxyOptions = options;
       req.alternativePaths = alternativePathsFor(req.url);
       return proxy.web(req, res, options);
-    }
+    },
+    ws: (req, socket, head) => proxy.ws(req, socket, head)
   };
 }