Add strip_cmake.bat for deleting "extra" files generated by CMake.
Add strip_cmake.bat for deleting "extra" files generated by CMake.

Note that the solutions/workspaces generated for Visual Studio, by
default, will still have the extra projects in them. They must be
deleted from the project before running this strip_cmake.bat.

TODO: Teach strip_cmake.bat how to actually strip the offending
projects from the solutions/workspaces.

neilmacintosh/unittest-cpp,lanurmi/unittest-cpp,Microsoft/unittest-cpp,gleibson/unittest-cpp,LocutusOfBorg/unittest-cpp,neilmacintosh/unittest-cpp,pjohnmeyer/unittest-cpp,DavidLudwig/unittest-cpp,pjohnmeyer/unittest-cpp,grahamreeds/unittest-cpp,jasonhorsburgh/unittest-cpp,grahamreeds/unittest-cpp,jasonhorsburgh/unittest-cpp,unittest-cpp/unittest-cpp,grahamreeds/unittest-cpp,Microsoft/unittest-cpp,unittest-cpp/unittest-cpp,unittest-cpp/unittest-cpp,lanurmi/unittest-cpp,gleibson/unittest-cpp,LocutusOfBorg/unittest-cpp,DavidLudwig/unittest-cpp