Merge pull request steeve#10 from BeOleg/facebook_graph_patch

Patch that makes your application readable to crawlers if you  have '!' ...

angular-seo-server.js

@@ -48,7 +48,7 @@ server.listen(port, function (request, response) {
     var route = parse_qs(request.url)._escaped_fragment_;
     var url = urlPrefix
       + request.url.slice(1, request.url.indexOf('?'))
-      + '#!' + route;
+      + '#!' + decodeURIComponent(route);
     renderHtml(url, function(html) {
         response.statusCode = 200;
         response.write(html);