Fixed is_operator and is_moderated sub-board properties, were true if
configured as blank in SCFG.

sub_info and dir_info methods now accept optional sub/dir argument.
All methods that accept sub/dir argument will now default to current sub or dir
if not specified.

instead of setenv() as Solaris/SunOS doesn't have setenv().

array - for Solaris compatibility.

to convert uname results to lowercase.

Removed support for cygwin.

Removed support for cygwin.

forced to "ctrl" and "text").

in Unix builds.

(for example), you end up with 10K of usable buffer (need extra byte to detect
wrap). Was previously limiting usable buffer to size-1.

Only allow output buffer to fill 50% from VXD before wwiv/telnet expansion.

up when edited. Eliminated the forcing of the "/exec/" and "/data" suffixes.

- can't use keyword as method name.

and other clean-up.

Change CVS command-lines to a single macro.
Fixed install target dependencies: needed $(SBBSDIR).