lbaas screen should explain modes / methods

[Eric Peterson]

The add pool screen has the various lbaas methods listed in a drop down. It would be nice to explain the modes, as documented at:

http://docs.openstack.org/admin-guide-cloud/content/section_lbaas-overview.html

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/179959

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/179959
Committed: https://git.openstack.org/cgit/openstack/horizon/commit/?id=e35ece215dc857d1658f933c1ef9e75d54535a15
Submitter: Jenkins
Branch: master

commit e35ece215dc857d1658f933c1ef9e75d54535a15
Author: eric <email address hidden>
Date: Mon May 4 16:30:47 2015 -0600

    Improve help content for lbaas pool create

    This change adds additional text into the lbaas pool create
    workflow. Specifically, it has overview text for the balance
    algorithms.

    Change-Id: Ia46481e5c78948b76257b3468761abfb8889f398
    Closes-bug: #1451595