v1.2 matching the 1998 http-tiny-1.2 release

Sept 22 1998 (yes, two and half years since last release, pretty stable :-)

• Released as 1.2
• Added compatibility with 1.1 servers (but does not take
  advantage of 1.1 yet)
• small Makefile change for better portability
• contact, url, etc... updates
  Apr 25/26 1996
• Released as 1.1a
• renamed libdoc as man3 and created man1 for http.1
• tiny change for better portability (freebsd)
  Apr 24 1996
• released as 1.1
• added http_proxy env var support
  Apr 18 1996
• released as 1.0
• first public release!