More Visual C++ 2010 adjustments and hacks.
VS2010 preps.
**/Makefile.kmk: Cosmetic changes.
*.kmk: PATH_INS -> PATH_STAGE.
Makefiles: The PATH_<target> variable is deprated, use <target>_0_OUTDIR instead.
Additions build fix
try to fix the additions build
Additions header fixes
Windows Additions: export shared folders and installer to OSE