* Added log4net dependency to physxplugin in prebuild.xml.
* Added missing m_log fields to classes.
* Replaced Console.WriteLine with appropriate m_log.Xxxx
* Tested that nant test target runs succesfully.
* Tested that local opensim sandbox starts up without errors.
AssetInventoryServer with the standard OpenSim license header
- add note about Cable Beach to CONTRIBUTORS.txt
- clean up AssetInventoryServer.ini.example