3.12-stable patches

3.12-stable patches

added patches:
	nfsd4-fix-discarded-security-labels-on-setattr.patch
	nfsd4-fix-xdr-decoding-of-large-non-write-compounds.patch
	nfsd-make-sure-to-balance-get-put_write_access.patch
	nfs-don-t-retry-detect_trunking-with-rpc_auth_unix-more-than-once.patch
	nfsd-return-better-errors-to-exportfs.patch
	nfsd-split-up-nfsd_setattr.patch
	nfs-fix-a-missing-initialisation-when-reading-the-selinux-label.patch
	nfs-fix-inverted-test-for-delegation-in-nfs4_reclaim_open_state.patch
	nfs-fix-oops-when-trying-to-set-selinux-label.patch
	nfsv4.2-fix-a-mismatch-between-linux-labeled-nfs-and-the-nfsv4.2-spec.patch
	nfsv4-don-t-fail-on-missing-fattr-in-open-recover.patch
	nfsv4-don-t-reprocess-cached-open-claim_previous.patch
	nfsv4-fix-a-use-after-free-situation-in-_nfs4_proc_getlk.patch
	nfsv4-fix-null-dereference-in-open-recover.patch
	nfsv4-fix-state-reference-counting-in-_nfs4_opendata_reclaim_to_nfs4_state.patch