OpenSSL, NSS and GnuTLS-built libcurls.

  curl_easy_getinfo. It returns a pointer to a string with the most recently
  used IP address. Modified test case 500 to also verify this feature. The
  implementing of this feature was sponsored by Lenny Rachitsky at NeuStar.

condition were encountered.

- Updated main.c to return CURLE_OK if PARAM_HELP_REQUESTED was returned
  from getparameter instead of CURLE_FAILED_INIT.  No point in returning
  an error if --help or --version were requested.

Issue detected by Guenter Knauf's NetWare autobuild.

Moved 144 to 7.18.3 instead

  the curl_multi_socket() API with HTTP pipelining enabled and could lead to
  the pipeline basically stalling for a very long period of time until it took
  off again.

  provided excellent repeat recipes. I fixed the cases I managed to reproduce
  but Jeff still got some (SCP) problems even after these fixes:
  http://curl.haxx.se/mail/lib-2008-05/0342.html

due to KfW's library header files exporting symbols/macros that should be
kept private to the KfW library. See ticket #5601 at http://krbdev.mit.edu/rt/

  how the HTTP redirect following code didn't properly follow to a new URL if
  the new url was but a query string such as "Location: ?moo=foo". Test case
  1031 was added to verify this fix.

144 - Help apps use 64bit/LFS libcurl

openssl/objects.h were needed to compile SPNEGO support.

releases

the dist tarball and remove a two duplicate file names from EXTRA_DIST
(most of it pointed out by Yang Tse)