Options missing help strings

[Zhongyue Luo]

Options registered in quantum source code are mostly missing help strings.

e.g. quantum.common.config has options missing help strings.

core_opts = [
    cfg.StrOpt('bind_host', default='0.0.0.0'),
    cfg.IntOpt('bind_port', default=9696),
    cfg.StrOpt('api_paste_config', default="api-paste.ini"),
    cfg.StrOpt('api_extensions_path', default=""),
    cfg.StrOpt('policy_file', default="policy.json"),
    cfg.StrOpt('auth_strategy', default='keystone'),
    cfg.StrOpt('core_plugin',
               default='quantum.plugins.sample.SamplePlugin.FakePlugin'),
    cfg.ListOpt('service_plugins',
                default=[]),
    cfg.StrOpt('base_mac', default="fa:16:3e:00:00:00"),
    cfg.IntOpt('mac_generation_retries', default=16),
    cfg.BoolOpt('allow_bulk', default=True),
    cfg.IntOpt('max_dns_nameservers', default=5),
    cfg.IntOpt('max_subnet_host_routes', default=20),
    cfg.StrOpt('state_path', default='/var/lib/quantum'),
    cfg.IntOpt('dhcp_lease_duration', default=120),
    cfg.BoolOpt('allow_overlapping_ips', default=False),
    cfg.StrOpt('control_exchange',
               default='quantum',
               help='AMQP exchange to connect to if using RabbitMQ or Qpid'),
    cfg.StrOpt('host', default=utils.get_hostname()),
]

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/19984

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/19984
Committed: http://github.com/openstack/quantum/commit/e2891257b7c96af210fd7752621cbf37ed2c1aba
Submitter: Jenkins
Branch: master

commit e2891257b7c96af210fd7752621cbf37ed2c1aba
Author: Kyle Mestery <email address hidden>
Date: Thu Jan 17 11:46:59 2013 +0000

    Add help strings to config file options in Quantum code.

    Fixes bug 1094989

    Change-Id: Ic8f875b41871c79be6a26b829a5af6d3e95b6052