Daniel Johnson's fix for shared object extension detection on Mac OS X.

Platforms that lack autotools support should define HAVE_VARIADIC_MACROS_C99
and/or HAVE_VARIADIC_MACROS_GCC for specific compiler versions that support
variadic macros with C99 style and/or

Platforms that lack autotools support should define HAVE_VARIADIC_MACROS_C99
and/or HAVE_VARIADIC_MACROS_GCC for specific compiler versions that support
variadic macros with C99 style and/or old gcc style in their specific config.h
file.

If previous definitions are not done, even when aplicable, and --disable-verbose
is used, the fallback (void) method will be used to define infof, avoiding the
inclusion of unwanted strings in the resulting library/executable.

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Tighten up a few more OpenSSH options

Fix date

Internal function Curl_select() renamed to Curl_socket_ready()

Added SFTP and SCP upload tests in test602 & test603

Added test600 and test601, SFTP and SCP file retrieval tests.

catch up new lib extension when build with gcc/nlmconv.

changed link lib order to make nlmconv happy.

added CVS Id tag.

fixed build to use compiler-default lib extension.

#92 is fixed

Added the How to get your patches into the libcurl sources instruction posted
recently

added Daniel Johnson

- Daniel Johnson fixed multi code to traverse the easy handle list properly.
A left-over bug from the February 21 fix.

addressed (replied to with comments) most out-stading release issues and moved
one over to KNOWN_BUGS

fix compiler warning

fix compiler warning

fix compiler warning

Fixed a couple of compile problems.

Added sshserver.pl

Fixed a memory leak when specifying a proxy with a file: URL and added
test case 288 to verify it.

Changed the test harness to attempt to gracefully shut down servers
before resorting to the kill -9 hammer.

Added test harness infrastructure to support scp/sftp tests, using
OpenSSH

Changed the test harness to attempt to gracefully shut down servers
before resorting to the kill -9 hammer.

Added test harness infrastructure to support scp/sftp tests, using
OpenSSH as the server.

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add missing state name for the debug state switch output

fix debug message