* Make sure ISceneProvider.IPAndPort gets set to a valid IP address
* Send circuit_code in enable_client cap so the existing circuit code is reused for child agent connections
git-svn-id: http://libopenmetaverse.googlecode.com/svn/libopenmetaverse/trunk@2487 52acb1d6-8a22-11de-b505-999d5b087335