Fix ipactl service ordering

Ipactl sorted service start order as string, which causes service with start order
100 starts before service with start order 30.

Patch fixes ipactl to use integers for ordering.

Reviewed-By: David Kupka <dkupka@redhat.com>

install/tools/ipactl

@@ -159,7 +159,11 @@ def get_config(dirsrv):
         name = entry.single_value['cn']
         for p in entry['ipaConfigString']:
             if p.startswith('startOrder '):
-                order = p.split()[1]
+                try:
+                    order = int(p.split()[1])
+                except ValueError:
+                    raise IpactlError("Expected order as integer in: %s:%s" % (
+                        name, p))
         svc_list.append([order, name])
 
     ordered_list = []