moving some include files from the toplevel include directory into subdirectories (processor,module,system) and creating include/system for some core header files. Deleting some very old and unused stuff (mine) from .Attic. Moving unitLibrary.hpp to .Attic (not used because types/keymap.hpp serves its purpose in the program library)
Merge branch 'variant_type' of https://github.com/mbarbos/Wolframe into variant_type