Testframework for comparison of languageTests between Lanugage and CBN

1. Set  bool dumpDS=true;  in C:\DDSGit\Dynamo\test\Engine\ProtoTestFx\TestFramework.cs
2. Build Dynamo.All.2012.sln project
3. Run tests in Nunit that needs to be import into Dynamo and test against Language
4. This dumps the language Script into ds files in folder Dynamo\test\core\dsevaluation\DSFiles
5. Open GenerateTests.tt and change the string ChangeMe to desired class name
6. Build the project and it generates the code in  GenerateTests.cs
adding Missing files
Change path to relative path
Merge pull request #2218 from monikaprabhu/CBNBranch

Testframework for comparison of languageTests between Lanugage and CBN