NAM and Napalm can now share their con, def, and rts files if the one for their respective game is not present because the con and rts files are identical.
Also, decapitalize two string literals missed in r2540.
git-svn-id: https://svn.eduke32.com/eduke32@2726 1a8010ca-5511-0410-912e-c29ae57300e0