Add test for out file concat where command line --incremental flag changes between compilation
Add test for out file concat where command line --incremental flag changes between compilation

RyanCavanaugh/TypeScript,kitsonk/TypeScript,nojvek/TypeScript,RyanCavanaugh/TypeScript,nojvek/TypeScript,nojvek/TypeScript,microsoft/TypeScript,nojvek/TypeScript,Microsoft/TypeScript,SaschaNaz/TypeScript,kpreisser/TypeScript,Microsoft/TypeScript,kitsonk/TypeScript,SaschaNaz/TypeScript,kpreisser/TypeScript,weswigham/TypeScript,SaschaNaz/TypeScript,kitsonk/TypeScript,Microsoft/TypeScript,kpreisser/TypeScript,microsoft/TypeScript,SaschaNaz/TypeScript,weswigham/TypeScript,microsoft/TypeScript,alexeagle/TypeScript,minestarks/TypeScript,minestarks/TypeScript,minestarks/TypeScript,alexeagle/TypeScript,RyanCavanaugh/TypeScript,alexeagle/TypeScript,weswigham/TypeScript