The multiprocessing.resource_tracker replaces the multiprocessing.semaphore_tracker module. Other than semaphores, resource_tracker also tracks shared_memory segments. Patch by Pierre Glaser.
* Adds lib.pyproj file to solution so that VS with Python support can open all the files in the standard library.
* Remove unexpected solution configuration.
* Remove lib.pyproj from solution to avoid memory issues on VS 2015.