Update osc server create to have type as positional arg

In Keystone, for v2 and v3 service creation, there was a bug that
allowed a service to be created with no type, which made it useless.

See reference bug for details.

Change-Id: I5d095007fe2ebc8219dc012c5b16cb4c122179cd
Related-Bug: #1404073

functions-common

@@ -945,8 +945,8 @@ function get_or_create_service {
         openstack service show $1 -f value -c id 2>/dev/null ||
         # Creates new service if not exists
         openstack service create \
-            $1 \
-            --type=$2 \
+            $2 \
+            --name $1 \
             --description="$3" \
             -f value -c id
     )