Merge pull request #27 from stevenzeiler/develop

[TEST] Add chai and sinon for testing, begin testing remote.js

src/js/ripple/remote.js

@@ -1403,6 +1403,8 @@ Remote.prototype.requestUnlAdd = function (addr, comment, callback) {
   request.message.node = addr;
 
   if (comment) {
+    // note is not specified anywhere, should remove?
+    var note = undefined; 
     request.message.comment = note;
   }