Merge branch sbbs:master into master

exec/chksetup.js

src/sbbs3/js_bbs.cpp

src/sbbs3/js_system.c

src/sbbs3/newuser.cpp

src/sbbs3/scfg/scfgsys.c

src/sbbs3/scfgdefs.h

src/sbbs3/scfglib1.c

src/sbbs3/scfgsave.c

src/sbbs3/userdat.c