owners.setType(AccountGroup.Type.SYSTEM);
c.accountGroups().insert(Collections.singleton(owners));
c.accountGroupNames().insert(
Collections.singleton(new AccountGroupName(owners)));
final SystemConfig s = SystemConfig.create();
try {
s.sitePath = site_path.getCanonicalPath();
} catch (IOException e) {
s.sitePath = site_path.getAbsolutePath();
}