2594 implement graceful shutdown for local zones in zoneadm

*** 21,30 ****
--- 21,31 ----
   CDDL HEADER END
  
   Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
  
   DO NOT EDIT THIS FILE.
+  Copyright 2014 Nexenta Systems, Inc. All rights reserved.
  -->
  
  <!DOCTYPE brand PUBLIC "-//Sun Microsystems Inc//DTD Brands//EN"
      "file:///usr/share/lib/xml/dtd/brand.dtd.1">
  
*** 40,49 ****
--- 41,51 ----
          <install>/usr/lib/brand/ipkg/pkgcreatezone -z %z -R %R</install>
          <installopts>a:c:d:e:hk:P:p:suv</installopts>
          <boot></boot>
          <sysboot>/usr/lib/brand/ipkg/prestate %z %R 2 0</sysboot>
          <halt></halt>
+         <shutdown>/usr/sbin/shutdown -y -g0 -i5</shutdown>
          <verify_cfg></verify_cfg>
          <verify_adm></verify_adm>
          <postclone></postclone>
          <postinstall></postinstall>
          <attach>/usr/lib/brand/ipkg/attach %z %R</attach>