Release 1.2.4

* Fix compilation on panther (JS and Dormando)

* More CAS tests (Chris Goffinet)

* Final fixes for all 1.2.4 features are in, -rc2 sent out.

* Patch series from Tomash Brechko <tomash.brechko@gmail.com>:
  Minor fixes and optimisations.

* Patches from Chris, Dustin, and Dormando to fix CAS.

* Prepping for 1.2.4 release.

* Adjusted patch from js <ebgssth@gmail.com>: Compile on OS X Panther
  and earlier.

* Patch from Tomash Brechko <tomash.brechko@gmail.com>: Always send
  "SERVER_ERROR out of memory" when memory exhausted.

* Patch from David Bremner <bremner@unb.ca> that implements
  a new option "-a" which takes an octal permission mask
  (like chmod) sets the permissions on the unix domain socket
  (specified by "-s").

* Incorporate "cas" operation developed by Dustin
  Sallings <dustin@spy.net> This change allows you
  to do atomic changes to an existing key.

* Fix for stats.evictions not incrementing
  when exptime == 0 items are kicked off the cache.
  from Jean-Francois BUSTARRET <jfbustarret@wat.tv>.

* Fix for do_item_cachedump() which was returning
  an incorrect timestamp.

* Switch to unsigned 64-bit increment/decrement counters
  from Evan Miller and Dustin Sallings.

* Add append command support written by Filipe Laborde.
  Thread safe version plus prepend command from Maxim Dounin
  <mdounin@mdounin.ru>

* The memcached-tool script can now display stats.  Patch
  provided by Dan Christian <dchristian@google.com>

* Fix for Unix Domain sockets on FreeBSD
  FreeBSD's sendmsg() requires msg_name in msghdr structure
  to be NULL if not used, setting msg_namelen to 0 isn't enough.
  Patch from Maxim Dounin <mdounin@mdounin.ru>

* Incorporate incrememnt patch from Evan Miller
  <emiller@imvu.com> to define increment overflow
  behavior.

* Bring the memcached.1 manpage up to date

* Fix crash when using -P and -d flags on x86_64
  with latest libevent release.

* Item stats commands weren't thread-safe; wrap them with locks
  when compiled in multithreaded mode.

* The "stats items" command now works again; it broke with the
  introduction of the powers-of-N chunk size change.