Fix the label
Fix the label

Pull down labels for timezone in Alarm history are fixed to support multi language.

Change-Id: I5d1828c41e2a70ebedf60c90e183b9326932433f
Closes-Bug: #1526281

openstack/monasca-ui,openstack/monasca-ui,openstack/monasca-ui,stackforge/monasca-ui,openstack/monasca-ui,stackforge/monasca-ui,stackforge/monasca-ui,stackforge/monasca-ui