MRC: the first replica of a file is now initially marked as 'complete' and...

MRC: the first replica of a file is now initially marked as 'complete' and 'full' when the file is made read-only (fixes issue 211)

git-svn-id: https://xtreemfs.googlecode.com/svn/trunk@2659 f8528748-c2c0-11dd-ba5c-d3b7c2b3b534