+ modify initialization check for win32con driver to eliminate need for
special case for TERM "unknown", using terminal database if available
(prompted by discussion with Roumen Petrov).
+ for MinGW port, ensure that terminal driver is setup if tgetent()
is called (patch by Roumen Petrov).
+ document tabs "-0" and "-8" options in manpage.
+ fix Debian "lintian" issues with manpages reported in
http://lintian.debian.org/full/csmall@debian.org.html#ncurses
+ regenerated html documentation.
+ modify test/configure to support pkg-config for checking X libraries
used by PDCurses.
+ add/use configure macro CF_ADD_LIB to force consistency of
assignments to $LIBS, etc.
+ fix configure script for combining --with-pthread
and --enable-weak-symbols options.
