nfsv4: open_owner clientid used for v4.0 only

Acked-by:
nfsv4: EXCHANGE_ID must be the only operation in the compound

make some nfs tests happy
Acked-by:
nfsv4: fix client lease validation test

Acked-by:
Merge remote-tracking branch 'origin/bat2013' into all-in-one
vfs: use inodeToBytes to generate file handle for chimera

inodeToBytes encapsulate generation of byte array
representation of FsInode.

Acked-by: Gerd Behrmann
Target: master, 0.5
nfsv3: fix creation of symbolic link

Do not check inode existence as backed VFS
implementation (Chimera) already does it.

Acked-by: Gerd Behrmann
Target: master, 0.6, 0.5
Require-book: no
Require-notes: no
core: limit number of states owned by cliet

a dirty work around NFS client/dCache misbehavior
add a client command to simulate open state id DoS

Acked-by: Paul Millar
utils: fix leftovers from jul to slf4j migration

Acked-by: Paul Millar
nfsv3: add proxy io, enable in default config