client: bind test server to localhost and use this as its address. The...

client: bind test server to localhost and use this as its address. The previous version was binding to 0.0.0.0, which is no address to connect to.

git-svn-id: https://xtreemfs.googlecode.com/svn/trunk@3514 f8528748-c2c0-11dd-ba5c-d3b7c2b3b534