OSD:

- adaption for new protocol-interfaces
- removed obsolete interface-classes
- new Operation for getting an object list (a list of all local saved objects on this OSD)
- LocalReadOperation could additionally send an object list, if requested
OSD-replication:
- RandomStrategy refactored
- Simple Strategy renamed to SequencialStrategy
- xtfs-repl:
  o fixed broken interactive modes
  o replication flags could be set by the user when adding a replica

git-svn-id: https://xtreemfs.googlecode.com/svn/trunk@799 f8528748-c2c0-11dd-ba5c-d3b7c2b3b534