dCache/dcache — pull request #516 by kofemann (2014-04-30 14:11:42+00:00)
Title: core,nfs,pool: backport nfs code from 2.8 into 2.6

highlights fort release notes:
- added proxy io for nfs read requests.
- fixed IO on levels and other DOT files.
- fixed log message context
- clean failed requests from the pending request queue
- fix rename into file