Added '--configure' option to curl-config to display original configure arguments when curl was built

curl.h, adjusting auto-makefiles include path, to enhance portability to
OS's without an orthogonal directory tree structure such as OS/400.

and another is sponsoring more

As it actually builds with gcrypt these days, but not the NSS functions.

done!

going on

  sends the 220 response or otherwise is dead slow, libcurl will not
  acknowledge the connection timeout during that phase but only the "real"
  timeout - which may surprise users as it is probably considered to be the
  connect phase to most people. Brought up (and is being misunderstood) in:
  http://curl.haxx.se/bug/view.cgi?id=2844077

  read stdin in a non-blocking fashion. This also brings back -T- (minus) to
  the previous blocking behavior since it could break stuff for people at
  times.

  Fix SIGSEGV on free'd easy_conn when pipe unexpectedly breaks
  Fix data corruption issue with re-connected transfers
  Fix use after free if we're completed but easy_conn not NULL

5.4 Rearrange request header order

Things to play with when you're bored

than what's absolutely necessary:

curl will do its best to use what you pass to it as a URL. It is not trying to
validate it as a syntactically correct URL by any means but is instead
VERY liberal with what it accepts.

bugs we know about that will appear in the next release (too)