Added VS ActivityLog log4net appender
Moved class to new SolutionScenarios folder
Added DisableCodeGenerationAttribute
Reference needed by VisualStudioActivityLogAppender
Added exception handling when casting Document to TextDocument https://github.com/ppittle/pMixins/issues/12
Create DefaultMockFileName const in MockSourceFile
Added tests for DisableCodeGenerationAttribute
Fixed problem with Test (caching)