[#128,backend/memory,misc][l]: commence major backend refactor by converting recline.Backend.Memory to module and splitting existing code into BackboneSyncer and DataWrapper.

* Lots of other changes to having passing tests (note some actual functionality is likely a little broken esp around state serialization and the app)

test/model.test.js

@@ -125,17 +125,6 @@ test('Dataset _prepareQuery', function () {
   deepEqual(out, exp);
 });
 
-test('Dataset _backendFromString', function () {
-  var dataset = new recline.Model.Dataset();
-
-  var out = dataset._backendFromString('recline.Backend.Memory');
-  equal(out.__type__, 'memory');
-
-  var out = dataset._backendFromString('dataproxy');
-  equal(out.__type__, 'dataproxy');
-});
-
-
 // =================================
 // Query