3.4-stable patches

3.4-stable patches

added patches:
	0020-ceph-ensure-auth-ops-are-defined-before-use.patch
	0021-ceph-have-get_authorizer-methods-return-pointers.patch
	0022-ceph-use-info-returned-by-get_authorizer.patch
	0023-ceph-return-pointer-from-prepare_connect_authorizer.patch
	0024-ceph-rename-prepare_connect_authorizer.patch
	0025-ceph-add-auth-buf-in-prepare_write_connect.patch
	0026-libceph-avoid-unregistering-osd-request-when-not-reg.patch
	0027-libceph-fix-pg_temp-updates.patch
	0028-libceph-osd_client-don-t-drop-reply-reference-too-ea.patch
	0029-libceph-use-con-get-put-ops-from-osd_client.patch
	0030-rbd-Clear-ceph_msg-bio_iter-for-retransmitted-messag.patch
	0031-libceph-flush-msgr-queue-during-mon_client-shutdown.patch
	0032-libceph-fix-messenger-retry.patch
	0033-rbd-don-t-hold-spinlock-during-messenger-flush.patch
	0034-rbd-protect-read-of-snapshot-sequence-number.patch
	0035-rbd-store-snapshot-id-instead-of-index.patch
	0036-rbd-Fix-ceph_snap_context-size-calculation.patch
	0037-ceph-check-PG_Private-flag-before-accessing-page-pri.patch
	0038-libceph-eliminate-connection-state-DEAD.patch
	0039-libceph-kill-bad_proto-ceph-connection-op.patch