Place built libraries for Lua and pdcurses into lib instead of the
more transient src/o subfolder.
Remove a kludge involving sys/windows/stub-pdcscrn.c.
Don't link pdcurses into NetHackW.exe (required a couple of stubs
since NetHack.exe and NetHackW.exe currently share object files
under the visual studio nmake build.
(Note: This may require a couple of follow-on minor modifications
to the mingw build. If so, the CI will flag that for us after this
commit)
Incorporate the functionality of the loadable DLL's (nhraykey.dll,
nhdefkey.dll, and nh340key.dll) into the consoletty.c code and
remove the dll building
rename sys/winnt to sys/windows
move vs (visual studio) folder out of win/win32 and into sys/windows
rename include/ntconf.h to include/windconf.h
rename winnt.c to windsys.c
place visual studio projects into individual subfolders.
This will hopefully resolve GitHub issue #484 as well.