simplify posix tools project build make files
do portable fixes to posix utilities
add posix_lib macro to build make files
portability prototype correction
fix sed N and l commands
portability fixes
do wmake tests more portable
use wmake internal commads for file manipulation
add alias for _dos_getdiskfree to clibext.h
correct prototypes
change readme to be more up-to-date
fix line length to 80 characters
remove tabs
remove _graph.h and _pgchart.h build from hdr project
now _graph.gh and _pgchart.gh are build as prerequisity for graphlib/pgchart project
correct prototypes
remove mif sub-directory
restructure cpp project
add build make file for x64 host
modify build server to use only one pass
update build server configuration info and auxiliary batch files
do cleanup builder server code
remove debug code, only one pass is used now, use more suitable names etc.
do wmake tests more portable