CMake compatibility for pkmds_g6 additions

* Include paths dependent on existence of PKMDS_CMAKE_USED symbol
* Added #ifdef for usage of fstream with wchar_t* filename (MSVC-exclusive)
cmake: changed project name to PKMDS
cmake: changed version vars
Merge pull request #1 from ncorgan/cmake_compat

Cmake compat - Looks good to me.