Improvements in ProOnline support:
- implemented ProOnline server within Jpcsp. It will be started when the ProOnline server is set to "localhost" in the network settings. Still experimental.
- perform UPnP discovery (for automatic router configuration) in background. Startup is now faster when ProOnline is activated.
- small fixes in sceNetAdhocMatching and sceNetAdhocPtpRecv.

git-svn-id: http://jpcsp.googlecode.com/svn/trunk@3526 4ab978e6-3352-0410-996c-0b42db0051c8