- fixed a bug in ezxml_add_child() that can occur when adding tags out of order
- for consistency, ezxml_set_attr() now returns the tag given
- added ezxml_move() and supporting functions ezxml_cut() and ezxml_insert()
- fixed a bug where parsing an empty file could cause a segfault


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mod_sofia will now examine a variable in the channel to
see what the channel's originator was using for a codec and 
try to put that to the top of the list in the sdp.

if this new sofia profile param is set:
<param name="disable-transcoding" value="true"/>

All outbound calls will use *only* the codec that thier originator 
is using to ensure no transcoding.
(of course that could lead to a failed call where there is no way to do this, so use sparingly)



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1) The xml_curl now has a more enterprise config where it can have more than 1
   url configured so you could have failover. (*note the syntax change*)

2) dialplan modules now take an extra arguement making it possible to pass runtime params to
   them.  This is now used in mod_dialplan_xml to allow an alternate file path to be specified.

   dialplans were already stackable meaning you can configure a sofia profile, for example,
   to use enum followed by the default XML dialplan.

   e.g. <param name="dialplan" value="enum,XML"/>

   From now on, you can also specify :param after each dialplan name to allow param
   to be passed to the module.  mod_dialplan_xml uses this param as a way to override
   where it looks for the dialplan making it possible to stack mutiple calls to the XML dialplan.

   e.g. <param name="dialplan" value="XML:/some/xml/file.xml,XML"/>

   With this you can search the local file file.xml first and if there is still no match
   the hunt will move on to the standard XML using the onboard XML registry and or the external
   gateways.

   *NOTE* this alternate path does not use the external bindings but it does parse the #includes etc.



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