3.18-stable patches

3.18-stable patches

added patches:
	arm-tegra-fix-tegra30-cardhu-pca954x-reset.patch
	bcache-release-dc-writeback_lock-properly-in-bch_writeback_thread.patch
	crypto-vmx-fix-sleep-in-atomic-bugs.patch
	fb-fix-lost-console-when-the-user-unplugs-a-usb-adapter.patch
	getxattr-use-correct-xattr-length.patch
	mm-tlb-remove-tlb_remove_table-non-concurrent-condition.patch
	osf_getdomainname-use-copy_to_user.patch
	pnfs-blocklayout-off-by-one-in-bl_map_stripe.patch
	pwm-tiehrpwm-fix-disabling-of-output-of-pwms.patch
	revert-ubifs-fix-potential-integer-overflow-in-allocation.patch
	sys-don-t-hold-uts_sem-while-accessing-userspace-memory.patch
	ubifs-check-data-node-size-before-truncate.patch
	ubifs-fix-memory-leak-in-lprobs-self-check.patch
	ubifs-fix-synced_i_size-calculation-for-xattr-inodes.patch
	udlfb-set-optimal-write-delay.patch
	userns-correct-the-comment-in-map_write.patch
	userns-move-user-access-out-of-the-mutex.patch