Sort undocumented options list. Add want_neutronsles12.

scripts/mkcloud

@@ -69,36 +69,37 @@
 #
 # UNDOCUMENTED OPTIONS:
 #
-# virtualcloud
+# admin_node_memory
+# admingw
+# adminip
+# adminnetmask
+# adminnode_hdd_size
+# cephvolume_hdd_size
+# cloudbr
 # cloudfqdn
+# compute_node_memory
+# computenode_hdd_size
+# controller_ceph_hdd_size
+# controller_hdd_size
+# controller_node_memory
+# cpuflags
+# debug
+# drbd_hdd_size
+# drbdnode_mac_vol
 # forwardmode
+# hyperv_node_memory
+# localreposdir_src
+# localreposdir_target
+# net_admin
 # net_fixed
 # net_public
-# net_admin
-# adminnetmask
-# adminip
-# admingw
 # nodenumbercomputedefault
 # nodenumberdatacluster
 # nodenumberdataclusterdefault
 # nodenumbernetworkcluster   (why no default for this?)
 # nodenumberservicescluster  (why no default for this?)
-# drbdnode_mac_vol
-# cpuflags
-# admin_node_memory
-# controller_node_memory
-# compute_node_memory
-# hyperv_node_memory
-# adminnode_hdd_size
-# controller_hdd_size
-# computenode_hdd_size
-# cephvolume_hdd_size
-# controller_ceph_hdd_size
-# drbd_hdd_size
-# cloudbr
-# debug
-# localreposdir_src
-# localreposdir_target
+# virtualcloud
+# want_neutronsles12
 
 if [ -n "$CVOL" ] ; then
     cloudpv=$CVOL