FAQ: updated 1.10 How many are using curl?

Now linking to http://daniel.haxx.se/blog/2012/05/16/300m-users/
smtp: Fixed non-escaping of dot character at beginning of line

A dot character at the beginning of a line would not be escaped to a
double dot as required by RFC-2821, instead it would be deleted by the
mail server. Please see section 4.5.2 of the RFC for more information.

Note: This fix also simplifies the detection of repeated CRLF.CRLF
combinations, such as CRLF.CRLF.CRLF, a little rather than having to
advance the eob counter to 2.
curl-config.1: fix curl-config usage in example

The curl-config command must be used twice in the single command line to
work properly in some environments.

Bug: http://curl.haxx.se/bug/view.cgi?id=3528241
Reported by: Julian Taylor
Updated dependency libary versions.
RELEASE-NOTES: synced with 8ae1e657e82a

And mention that this will become 7.26.0
7.26.0: will be the next release version
winbuild: fix IPv6 enabled build

The existing check was wrong so IPv6 support would never be enabled
TODO-RELEASE: mention the pending biggies for 7.27.0
Fixed compile error with GNUTLS+NETTLE

In nettle/md5.h, md5_init and md5_update are defined as macros to
nettle_md5_init and nettle_md5_update respectively.  This causes
error when using MD5_params.md5_init and md5_update.  This patch
renames these members as md5_init_func and md5_update_func to
avoid name conflict. For completeness, MD5_params.md5_final was
also renamed as md5_final_func.

The changes in curl_ntlm_core.c is conversion error and fixed by
casting to proper type.
DOCS: Updated version number for features added in the pending release
smtp: Fixed an issue with the multi-interface always sending postdata

Due to the result code being reset to CURLE_OK when smtp_dophase_done()
was called, postdata would incorrectly be sent to the server when the
MAIL FROM or RCPT command was rejected.

As such, libcurl would return the wrong result code from performing the
operation and additionally set CURLINFO_RESPONSE_CODE to be that
returned by the postdata command.

Bug: http://curl.haxx.se/mail/lib-2012-05/0108.html
Reported by: Gokhan Sengun
RELEASE-NOTES: synced with ef60fdbd73

Just before 7.26.0 is about to ship
bump to 7.26.1: start working towards next release
TODO: Removed DIGEST-MD5 authentication from SMTP to do list

Removed DIGEST-MD5 from Section 9.1 Other authentication mechanisms as
the feature was added to SMTP in 7.26.0.

Also corrected small spelling mistake.
DOCS: Added LDAP to the CURLOPT_URL section
nss: avoid using explicit casts of code pointers
smtp: Moved auth-mechanism constants into a separate header file

Move the SMTP_AUTH constants into a separate header file in
preparation for adding SASL based authentication to POP3 as the two
protocols will need to share them.
sasl: Re-factored auth-mechanism constants to be more generic
Made -D option work with -O and -J.

To achieve this, first new structure HeaderData is defined to hold
necessary data to perform header-related work.  Then tool_header_cb now
receives HeaderData pointer as userdata.  All header-related work
(currently, dumping header and Content-Disposition inspection) are done
in this callback function.  HeaderData.outs->config is used to determine
whether each work is done.

Unit tests were also updated because after this change, curl code always
sets CURLOPT_HEADERFUNCTION and CURLOPT_HEADERDATA.

Tested with -O -J -D, -O -J -i and -O -J -D -i and all worked fine.
Fix libcurl.pc and curl-config generation for static MingW* cross builds