_PushStatus uses proper Parse format (#1580)

* removes mongo style props from _PushStatus

* removes log

* Update MongoTransform.js

Removes _id case

spec/ParseAPI.spec.js

@@ -1340,7 +1340,6 @@ describe('miscellaneous', function() {
        expect(res.key).toBe(1);
        return runIncrement(-1);
      }).then((res) => {
-       console.log(res);
        expect(res.key).toBe(0);
        done();
      })

spec/PushController.spec.js

@@ -293,6 +293,7 @@ describe('PushController', () => {
      expect(results.length).toBe(1);
      let result = results[0];
      expect(result.createdAt instanceof Date).toBe(true);
+     expect(result.updatedAt instanceof Date).toBe(true);
      expect(result.id.length).toBe(10);
      expect(result.get('source')).toEqual('rest');
      expect(result.get('query')).toEqual(JSON.stringify({}));