Add autolink util function to link urls w/o protocol

lib/services.js

@@ -35,6 +35,17 @@ var validateImageType = function (data, next) {
   next(null, true);
 };
 
+/**
+ * Default twitter.autoLink behavior is to _not_ link
+ * urls without protocol, with no way to override
+ * https://github.com/twitter/twitter-text-js/blob/master/twitter-text.js#L759
+ * And: https://github.com/twitter/twitter-text-js/issues/136
+ */
+var autoLink = function(text, options) {
+  var entities = twitter.extractEntitiesWithIndices(text, { extractUrlsWithoutProtocol: true });
+  return twitter.autoLinkEntities(text, entities, options);
+};
+
 exports.recent = function (socket) {
   publico.getChats(true, function (err, c) {
     if (err) {
@@ -67,7 +78,7 @@ exports.addMessage = function (payload, next) {
         return;
       }
 
-      var message = twitter.autoLink(twitter.htmlEscape(payload.message), {
+      var message = autoLink(twitter.htmlEscape(payload.message), {
         targetBlank: true
       });