formposts no longer include the path part. If you _really_ want them, you
must provide your preferred full file name with CURLFORM_FILENAME.
Added detection for libgen.h and basename() to configure. My custom
basename() replacement function for systems without it, might be a bit too
naive...
Updated 6 test cases to make them work with the stripped paths.
no fixed port numbers in use anymore. Starting now, the default ports the
servers use are 8990 - 8993. There's no option to modify these yet, but
changing the $base option in the top of the runtests.pl script.
Daniel Stenberg