2594 implement graceful shutdown for local zones in zoneadm

*** 21,36 ****
   fields enclosed by brackets "[]" replaced with your own identifying
   information: Portions Copyright [yyyy] [name of copyright owner]
  
   CDDL HEADER END
  
-     ident       "%Z%%M% %I%     %E% SMI"
- 
      NOTE:  This service manifest is not editable; its contents will
      be overwritten by package or patch operations, including
      operating system upgrade.  Make customizations in a different
      file.
  -->
  
  <service_bundle type='manifest' name='SUNWzoner:zones'>
  
  <!--
--- 21,36 ----
   fields enclosed by brackets "[]" replaced with your own identifying
   information: Portions Copyright [yyyy] [name of copyright owner]
  
   CDDL HEADER END
  
      NOTE:  This service manifest is not editable; its contents will
      be overwritten by package or patch operations, including
      operating system upgrade.  Make customizations in a different
      file.
+ 
+  Copyright 2014 Nexenta Systems, Inc. All rights reserved.
  -->
  
  <service_bundle type='manifest' name='SUNWzoner:zones'>
  
  <!--
*** 62,75 ****
          </exec_method>
  
          <!--
              The stop method reads the timeout_seconds property and
              spends 3/4 of the allotted time waiting for zones to
!             cleanly shut down (by running 'init 0' in each one).  If
!             some zones don't shutdown after the 3/4 time has elapsed,
!             the method spends the remaining 1/4 trying to more forcibly
!             halt the zones
          -->
          <exec_method
                  type='method'
                  name='stop'
                  exec='/lib/svc/method/svc-zones %m'
--- 62,74 ----
          </exec_method>
  
          <!--
              The stop method reads the timeout_seconds property and
              spends 3/4 of the allotted time waiting for zones to
!             cleanly shut down. If some zones don't shutdown after
!             the 3/4 time has elapsed, the method spends the remaining
!             1/4 trying to more forcibly halt the zones
          -->
          <exec_method
                  type='method'
                  name='stop'
                  exec='/lib/svc/method/svc-zones %m'