apache/incubator-spark — pull request #551 by qqsun8819 (2014-02-06 09:32:45+00:00)
Title: [SPARK-1038] Add more fields in JsonProtocol and add tests that verify the JSON itself

This is a PR for SPARK-1038. Two major changes:
1 add some fields to JsonProtocol which is new and important to standalone-related data structures
2 Use Diff in liftweb.json to verity the stringified Json output for detecting someone mod type T to Option[T]