ceilometer publish types should been correctted

[Wenyan Zhang]

http://docs.openstack.org/admin-guide/telemetry-data-retrieval.html

in "publisher" section, the describtion of publish types are inconsistent with current situation of ceilomter.
http://docs.openstack.org/developer/ceilometer/architecture.html#publishing-the-data
In mitaka, the rpc transport is deprecated, and direct transport is needed to be added.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/mitaka
Review: https://review.openstack.org/362009

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/363440

[OpenStack Infra (hudson-openstack)]

Change abandoned by Wenyan Zhang (<email address hidden>) on branch: stable/mitaka
Review: https://review.openstack.org/362009
Reason: submit in master

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/363440
Committed: https://git.openstack.org/cgit/openstack/openstack-manuals/commit/?id=718b37b6fb6f5a0b6f70b7f2108804e98acdff90
Submitter: Jenkins
Branch: master

commit 718b37b6fb6f5a0b6f70b7f2108804e98acdff90
Author: WenyanZhang <email address hidden>
Date: Wed Aug 31 15:16:55 2016 +0800

    [admin-guide]add direct publish type in telemetry-data-retrieval

    add direct publish type, which is consistent with current condition of ceilometer.
    Closes-Bug: #1617941

    Change-Id: I471e32554b8074a09f42bcc9f5e47e228bd356d9

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/openstack-manuals 15.0.0 release.