bug fix: clicking on notification link after adding a track leads to …

…/u/undefined. related to #54. closes #61.

the bug was caused by a breaking change in mongodb driver’s returned object: the saved data object is now stored as the first element of a `ops` array property.

whydJS/app/models/post.js

@@ -264,7 +264,11 @@ exports.savePost = function (postObj, handler) {
 		});
 	}
 	else
-		mongodb.collections["post"].insert(postObj, whenDone);
+		mongodb.collections["post"].insertOne(postObj, function(error, result) {
+			if (error)
+				console.log("update error", error);
+			whenDone(error, error ? {} : result.ops[0]);
+		});
 }
 
 var fieldsToCopy = {