Added Test for FilePaths
Simplified and added overload of GetHashCode (http://stackoverflow.com/questions/23757210/c-sharp-dictionary-file-path-custom-equalitycomparer)
Return null if if CustomToolOutput is null or empty
Added VisualStudioEventProxyLogger
Change Autogenerated Namespace from pMixin to pMixins to prevent collisions with pMixin attribute
Cleaned up Project Reference events
Corrected Assembly Name