merge to sofia sip darcs tree.  Includes multiple fixes and several merges of changes from the freeswitch tree back to darcs as follows:

Mon Nov 19 22:05:07 EST 2007  Pekka Pessi <first.lastname@nokia.com>
  * test_htable2.c: define struct before using it in prototypes

Fri Jan 11 09:12:01 EST 2008  Bernhard Suttner <suttner at comdasys.com>
  * Using # in SOATAG_HOLD to set media as inactive instead of sendonly

Fri Jan 11 09:15:18 EST 2008  Pekka.Pessi@nokia.com
  * soa_tag.c: documented SOATAG_HOLD() inactive mode

Fri Jan 11 09:28:46 EST 2008  Pekka.Pessi@nokia.com
  * su_addrinfo.c: if su_getaddrinfo() service is NULL, try both with "0" and NULL

Fri Jan 11 09:30:23 EST 2008  Pekka.Pessi@nokia.com
  * Makefile.am: added tests to DIST_SUBDIRS

Fri Jan 11 12:11:12 EST 2008  Pekka.Pessi@nokia.com
  * nta.c: NetModule hack re-prioritizing SRV records
  
  Original hack by Stefan Leuenberger <Stefan.Leuenberger@netmodule.com>.
  
  The hack reprioritizes the SRV records used with transaction in case a
  server refuses connection or it does not answer.

Fri Jan 11 12:12:23 EST 2008  Pekka.Pessi@nokia.com
  * sres.c, sres_cache.c: NetModule hack for re-prioritizing SRV records
    
  Original hack by Stefan Leuenberger <Stefan.Leuenberger@netmodule.com>.
  
  The hack reprioritizes the SRV records used with transaction in case a
  server refuses connection or it does not answer.
  
  New functions sres_cache_set_srv_priority() and
  sres_set_cached_srv_priority().
  
Fri Jan 11 12:15:19 EST 2008  Pekka.Pessi@nokia.com
  * Makefile.am: fixed dist target

Fri Jan 11 12:19:33 EST 2008  Pekka.Pessi@nokia.com
  * tport_internal.h: grammar in doc

Mon Jan 14 06:59:17 EST 2008  Pekka.Pessi@nokia.com
  * su.h: IPv6 fix for Vista SDK
    
  Patch by Michael Jerris

Wed Jan 16 13:20:47 EST 2008  Pekka.Pessi@nokia.com
  * nua: fix sf.net bug #1867753 (avoid duplicating initial route set)

Thu Jan 17 07:48:10 EST 2008  Pekka.Pessi@nokia.com
  * sres.c, sres_cache.c: documented sres_set_cached_srv_priority(), sres_cache_set_srv_priority()

Thu Jan 17 07:51:32 EST 2008  Pekka.Pessi@nokia.com
  * sofia-sip/su_wait.h, su_port.h, su_root.c: documented new functions and types for 1.12.8

Thu Jan 17 07:52:03 EST 2008  Pekka.Pessi@nokia.com
  * sofia-sip/htable2.h: marked new features for release 1.12.8

Thu Jan 17 07:52:33 EST 2008  Pekka.Pessi@nokia.com
  * su_alloc.c: marked new features for release 1.12.8.

Thu Jan 17 07:53:01 EST 2008  Pekka.Pessi@nokia.com
  * AUTHORS: updated

Thu Jan 17 07:53:21 EST 2008  Pekka.Pessi@nokia.com
  * RELEASE: added new features and bug fixes since 1.12.7

Thu Jan 17 07:55:18 EST 2008  Pekka.Pessi@nokia.com
  * libsofia-sip-ua/docs/Doxyfile.aliases: added @NEW_1_12_8 and @VERSION_1_12_8

Thu Jan 17 09:48:48 EST 2008  Pekka Pessi <Pekka.Pessi@nokia.com>
  * autogen.sh: use automake 1.9 unless otherwise specified

Thu Jan 17 11:40:46 EST 2008  Pekka Pessi <Pekka.Pessi@nokia.com>
  * soa_static.c: cleaned inactive hold, added tests

Thu Jan 17 11:41:54 EST 2008  Pekka Pessi <Pekka.Pessi@nokia.com>
  * Makefile.am: added hide_emails.sh to dist

Thu Jan 17 11:42:35 EST 2008  Pekka Pessi <Pekka.Pessi@nokia.com>
  * nua_stack.c: removed noisy debug message from nua_client_request_sendmsg()

Fri Jan 18 11:06:10 EST 2008  Pekka.Pessi@nokia.com
  * nua: Added NUA_ERROR_AT() macro
  
  Made internally generated 900 (and 904) response phrases unique as suggested
  by Jerry Richards.

Mon Jan 21 10:39:50 EST 2008  Stefan Knoblich
  * TLS debug cleanup

Mon Jan 21 12:05:38 EST 2008  Pekka.Pessi@nokia.com
  * tport: build fixes from Freeswitch

Mon Jan 21 12:14:25 EST 2008  Pekka.Pessi@nokia.com
  * su_global_log.c: disable warning on SU_DEBUG[] (Doxygen-only variable)
  
  Patch from Michael Jerris.

Mon Jan 21 12:15:19 EST 2008  Pekka.Pessi@nokia.com
  * sres.c: default log level to the same as SU_DEBUG define
  
  Patch by Michael Jerris

Mon Jan 21 12:16:39 EST 2008  Pekka.Pessi@nokia.com
  * stun.c: default log level to the same as SU_DEBUG define
  
  Patch by Michael Jerris

Mon Jan 21 12:45:04 EST 2008  Stefan Knoblich
  * TLS debug cleanup, 2/2.
  
  Silence openssl messages, part 2 of 2. Changed to TPORT_DEBUG=1 (thanks
  MikeJ). This one converts all ERR_print_errors() calls

Mon Jan 21 13:00:49 EST 2008  Pekka.Pessi@nokia.com
  * nua: removed asserts() on hairy dialog/request handling cases

Mon Jan 21 14:06:35 EST 2008  Pekka.Pessi@nokia.com
  * soa.c: using session state in soa_set_activity()
  
  The media mode bits are set using (local) session description instead of
  remote offer/answer when O/A has been completed.

Mon Jan 21 14:08:08 EST 2008  Pekka.Pessi@nokia.com
  * soa_static.c: soa_sdp_mode_set() now includes wanted media state in offer
  
  The wanted media state is based on original user SDP and SOATAG_HOLD()
  content. Removed soa_sdp_mode_set_is_needed(), using dry-run parameter
  instead.
  
Mon Jan 21 14:09:11 EST 2008  Pekka.Pessi@nokia.com
  * nua_subnotref.c: fixed REFER re-try case
  
  REFER trashed its dialog when it got retried if there was no other dialog
  usages.

Mon Jan 21 14:20:31 EST 2008  Pekka.Pessi@nokia.com
  * nua_stack.c: return specific error phrases from nua_client_init_request()
  
  As suggested by Jerry Richards.

Tue Jan 22 11:15:04 EST 2008  Pekka.Pessi@nokia.com
  * sip_util.c: updated sip_response_terminates_dialog() as per RFC 5057.
  
  Changes handling of 423 in case of SUBSCRIBE.

Tue Jan 22 11:34:01 EST 2008  Pekka.Pessi@nokia.com
  * conformance.docs: added RFC 5057 (sipping-dialogusage)

Tue Jan 22 11:34:16 EST 2008  Pekka.Pessi@nokia.com
  * test_auth_digest.c: testing empty realm

Tue Jan 22 11:35:44 EST 2008  Pekka.Pessi@nokia.com
  * test_soa.c: testing hold with inactive, offered mode and setting remote activity flags while in hold

Tue Jan 22 12:27:41 EST 2008  Pekka.Pessi@nokia.com
  * nta.c: fixed memory corruption in case sending ACK failed
  
  Thanks for Fabio Margarido for reporting this problem.

Tue Jan 22 12:49:02 EST 2008  Pekka.Pessi@nokia.com
  * nua/test_refer.c: run test_challenge_refer() only if we use proxy
  
  Test case is now more deterministic, too.

Tue Jan 22 12:51:59 EST 2008  Pekka.Pessi@nokia.com
  * docs/Makefile.am, docs/conformance.docs: fixed links to RFC 5057.

Tue Jan 22 13:57:38 EST 2008  Pekka.Pessi@nokia.com
  * sres: added ttl parameter to sres_set_cached_srv_priority() and sres_cache_set_srv_priority().

Tue Jan 22 13:59:44 EST 2008  Pekka.Pessi@nokia.com
  * nta.c: added NTATAG_GRAYLIST(). 
  
  Use NTATAG_GRAYLIST() as ttl value for sres_set_cached_srv_priority().

Tue Jan 22 14:04:29 EST 2008  Pekka.Pessi@nokia.com
  * RELEASE: updated.

Tue Jan 22 14:04:29 EST 2008  Pekka.Pessi@nokia.com
  * RELEASE: updated.

Wed Jan 23 06:56:11 EST 2008  Pekka.Pessi@nokia.com
  * sip_extra.c, sip_parser.c: updated documentation

Wed Jan 23 09:47:50 EST 2008  Pekka.Pessi@nokia.com
  * test_nta.c: fixed receiving with sink socket

Wed Jan 23 10:07:30 EST 2008  Pekka Pessi <Pekka.Pessi@nokia.com>
  * soa_static.c: fixed signedness error

Wed Jan 23 10:11:14 EST 2008  Pekka Pessi <Pekka.Pessi@nokia.com>
  * win32 project files: fixed slash direction

Wed Jan 23 10:13:00 EST 2008  Pekka Pessi <Pekka.Pessi@nokia.com>
  * torture_su.c: set blocking on

Wed Jan 23 10:13:36 EST 2008  Pekka Pessi <Pekka.Pessi@nokia.com>
  * test_tport.c: using blocking sockets in test_incomplete()

Wed Jan 23 11:01:11 EST 2008  Pekka.Pessi@nokia.com
  * nta.c: now using RFC3261-compliant dialog-matching

Wed Jan 23 11:05:23 EST 2008  Pekka.Pessi@nokia.com
  * nta.c: ignore tags in nta_leg_by_dialog() if they are empty strings

Wed Jan 23 11:05:58 EST 2008  Pekka.Pessi@nokia.com
  * nta.c: asserting in proper place when handling queue tail

Wed Jan 23 12:11:09 EST 2008  Pekka.Pessi@nokia.com
  * torture_sip.c: added tests for accessing other extra headers beside P-Asserted-Identity/P-Preferred-Identity

Wed Jan 23 13:08:55 EST 2008  Pekka.Pessi@nokia.com
  * nua: terminate dialog when redirected and re-establish it with new request

Wed Jan 23 13:18:16 EST 2008  Pekka.Pessi@nokia.com
  * test_100rel.c: added test for redirect after 100rel response.




git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@7328 d0543943-73ff-0310-b7d9-9358b9ac24b2