* Implemented asynchronous logins. Look at sldump for example usage * Added Network.DefaultLoginParams() to help with async login calls * Added ThreadUtil for making asynchronous callbacks (need to switch it to use the ManagedThreadPool) git-svn-id: http://libopenmetaverse.googlecode.com/svn/trunk@1123 52acb1d6-8a22-11de-b505-999d5b087335