QMF shutdown command implemented on broker.
- ACL to control shutdown: acl deny all access method name=shutdown
- Added "qpid-config shutdown" command to shut down the broker.

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@1627811 13f79535-47bb-0310-9956-ffa450edef68

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This commit adds a --cluster-manager flag to qpid-ha tool.

Without this flag
- the 'promote' command is not listed in the tool help.
- using the promote command raises an error saying that it is only for cluster manager use
  and mentioning the --cluster-manager flag.

With the flag: promote functions as before.

The qpid-ha help text for promote is also more clear now that it is for cluster
manager only.

Originally the idea was to split qpid-ha into two tools but I have kept one tool
with the flag and warning messages because it:

- avoids packaging changes that might trip things up.

- helps people who are already using qpid-ha promote: their scripts will
  break but the error message explains how to fix it.

I think the special role of promote is sufficiently clear now even if it is
part of the same tool.

This commit also updates the following to take account of the new flag:
- rgmanager qpidd-primary script.
- qpidd tests.
- qpid book HA chapter.

NOTE: THIS WILL BREAK TEST HARNESSES that do promotion outside of rgmanager.
You'll need to add the --cluster-manager flag in the relevant places.

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@1619877 13f79535-47bb-0310-9956-ffa450edef68

There are two issues here, both related to the fact that rgmanager sees qpidd
and qpidd-primary as two separate services.

1. The service start/stop scripts can be called concurrently. This can lead to
   running a qpidd process who's pid is not in the pidfile. rgmanager cannot
   detect or kill this qpidd and cannot start another qpidd because of the lock
   on the qpidd data directory.

2. rgmanager sees a primary failure as two failures: qpidd and qpidd-primary,
   and will then try to stop and start both services. The order of these actions
   is not defined and can lead to rgmanager killing a service it has just
   started.

This patch makes two major changes to the init scripts:

1. Uses flock to lock the sensitive stop/start part of the scripts to ensure
   they are not executed concurrently.

2. On "stop" the scripts check if a running qpidd is primary or not. "qpidd stop"
   is a no-op if the running broker is primary, "qpidd-primary stop" is a no op
   if it is not. This ensures that a broker will be stopped by the same stream
   of service actions that started it.

Minor changes in this patch:
- better logging of broker start-up and shut-down sequence.
- qpid-ha heartbeat use half of timeout option.
- add missing timeouts in qpid-ha.


Notes:

This changes the behavior of 'clusvcadm -d <qpidd-service>' on the primary node.
Previously this would have stopped the qpidd service on that node, killed the
qpidd process and relocated the primary service. Now this will stop the qpidd
service (as far as rgmanager is concerned) but will not kill qpidd or relocate
the primary service. When the primary is relocated the qpidd service wil not be
able to re-start on that node until it is re-enabled with 'clusvcadm -e'.

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@1614895 13f79535-47bb-0310-9956-ffa450edef68

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git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@1614577 13f79535-47bb-0310-9956-ffa450edef68

Original patch by Ernest Allen.

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