Partially fixed the RecordedTests.cs. (Fixed: 164,190,2247,2272,2373,2378,2378_Another)
Updated 4 more test cases: 2521  2563  2593  3113
update the CodeBlockPortHeight as feedback. Update test case TestBasicCodeBlockNodeCreation and TestCommentsInCodeBlockNode.
updated MAGN605, 624, 624_1, 590_1, 589_1,2,3, 828,613,904,830, 422, 422_1
updated testCodeBlockNodeConnectionOnCodeChange(), TestConvertAllNodesToCodeUndo(), MAGN803, TestCBNWithNodeToCode()
change TestUndoRedoNodesAndConnection_DS() back to original
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into MAGN4131
update TestCommentsInCodeBlockNode()
Delete Failure Category for the test cases that passed. Updated 164 and 2593.
Merge pull request #2483 from theanh0512/MAGN4131

Partially fixed the RecordedTests.cs.
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into Revit2015
Merge pull request #2573 from Benglin/Revit2015

Cross merging master changes into Revit 2015