[UI] Cluster create help says about template

[Andrew Lazarev]

Steps to reproduce:

1. Click 'Launch Cluster' button

Help says:

Select a plugin and Hadoop version for a new Cluster template.

[Andrew Lazarev (alazarev)]

https://review.openstack.org/#/c/97989/

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/97989
Committed: https://git.openstack.org/cgit/openstack/sahara-dashboard/commit/?id=e67c80ad82989fdc47f3739abfbb1903bd1941d8
Submitter: Jenkins
Branch: master

commit e67c80ad82989fdc47f3739abfbb1903bd1941d8
Author: Andrew Lazarev <email address hidden>
Date: Wed Jun 4 16:53:40 2014 -0700

    Fixed help text for new cluster dialog

    * In CreateCluster action from cluster templates was used
    * In jobs SelectHadoopPluginAction template from cluster templates
      was used
    * SelectPlugin and SelectPluginAction in jobs were never used. Probably
      copy-past

    Change-Id: I8b0d16403251453b33b92392781bddbae6ff6554
    Closes-Bug: #1326465