Added btn-danger class; converted image-based form buttons to Patternfly btn class buttons
converted tabs to spaces, aligned hash rockets, adjusted formatting
Merge pull request #374 from epwinchell/patternfly_formbuttons_5

Patternfly formbuttons 5
ManageIQ model changes for vendor specific methods.

Changed Method class schema to add vendor specific methods and
relationships.
Added red hat, vmware, amazon, openstack specific provision methods.
Changed method instances to call vendor specific methods.
Changed VMProvision_Template and VMProvision_VM schema default values
to pass vendor name as message where appropriate.