Add chaz_Probe_msvc_version_num
Add chaz_CC_add_include_dir
Add chaz_CC_set_optimization_level
Set CC makefile variable
Compile lemon directly from CFC Makefile
Support recursive execution of nmake

Detect 'make' utility using Marvin's code from LUCY-249.
Support 'make clean' under cmd.exe
Regenerate charmonizer.c