MRC: fixed replicate-on-close issue w/ truncate operation; removed console...

MRC: fixed replicate-on-close issue w/ truncate operation; removed console output when creating volumes

git-svn-id: https://xtreemfs.googlecode.com/svn/trunk@2655 f8528748-c2c0-11dd-ba5c-d3b7c2b3b534