Move vitragedashboard to vitrage-dashboard/dashboard
vitragealarms to vitrage-dashboard/alarms
vitragetemplates to vitrage-dashboard/templates
etc.
Enable to use this as horizon plugin without the need of
copying over API files, simply place files from enabled
directory in horizons openstack_dashboard/local/enabled
folder.
Change-Id: I38ea4e32abbad75e5432b8c1dfe64511162a7248