create basic Datastore page and support tagging of Infrastructure Mgmt Systems, Hosts and Datastores
added policy menu mixin
added basic unittests for clusters and datastores, fixed quadicon access, added detail page support
Merge pull request #51 from aweiteka/tag_infrastructure

create basic Datastore page and support tagging of Infrastructure
Adding 'Add method steps'

Modifying 'Add method steps'- to fix spacing
Adding test for pages/automate.py
Adding _wait_for_visible_element before clicking the 'Add' button
Adding _wait_for_results_refresh() to click() method
Merge pull request #52 from rlandy/automate_pages

Automate pages