Move zfs to top-level directory

With the merge of spl and zfs the extra level of directories is not needed
anymore.

Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com>

debian/tree/zfsutils-linux/etc/sudoers.d/zfs

@@ -0,0 +1,18 @@
+## Allow read-only ZoL commands to be called through sudo
+## without a password. Remove the first '#' column to enable.
+##
+## CAUTION: Any syntax error introduced here will break sudo.
+##
+## Cmnd alias specification
+#Cmnd_Alias C_ZFS = \
+#  /sbin/zfs "", /sbin/zfs help *, \
+#  /sbin/zfs get, /sbin/zfs get *, \
+#  /sbin/zfs list, /sbin/zfs list *, \
+#  /sbin/zpool "", /sbin/zpool help *, \
+#  /sbin/zpool iostat, /sbin/zpool iostat *, \
+#  /sbin/zpool list, /sbin/zpool list *, \
+#  /sbin/zpool status, /sbin/zpool status *, \
+#  /sbin/zpool upgrade, /sbin/zpool upgrade -v
+#
+## allow any user to use basic read-only ZFS commands
+#ALL ALL = (root) NOPASSWD: C_ZFS