move to sofia snapshot 1.12.3.10.  This adds nua_i_mehtod support to allow receipt of non-standard methods as well as a number of other bugfixes.

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3346 d0543943-73ff-0310-b7d9-9358b9ac24b2