Make sure assignment does not leave host with wrong state on exception
enable heat on HA controller
Better warning logic, layouts order.
Remove raw, mark original method return html_safe
Merge pull request #99 from knowncitizen/edit_warning

Better warning logic, layouts order.
Merge pull request #98 from sseago/add_heat

enable heat on HA controller
Merge pull request #87 from pitr-ch/master

Make sure assignment does not leave host with wrong state on exception