3.18-stable patches

3.18-stable patches

added patches:
	ceph-fix-memory-leak-in-__ceph_setxattr.patch
	cifs-add-misssing-sfm-mapping-for-doublequote.patch
	cifs-fix-mapping-of-sfm_space-and-sfm_period.patch
	fs-block_dev-always-invalidate-cleancache-in-invalidate_bdev.patch
	fs-xattr.c-zero-out-memory-copied-to-userspace-in-getxattr.patch
	ib-core-for-multicast-functions-verify-that-lids-are-multicast-lids.patch
	ib-ipoib-ibx-failed-to-create-mcg-debug-file.patch
	ib-mlx4-fix-ib-device-initialization-error-flow.patch
	ib-mlx4-reduce-sriov-multicast-cleanup-warning-message-to-debug-level.patch
	md-raid1-avoid-reusing-a-resync-bio-after-error-handling.patch
	padata-free-correct-variable.patch
	set-unicode-flag-on-cifs-echo-request-to-avoid-mac-error.patch
	smb3-work-around-mount-failure-when-using-smb3-dialect-to-macs.patch