GUI-1234: Allow checkbox inputs to be toggled on click.  Always render BooleanField inputs as checkboxes.  Fix alignment of checkboxes on snapshot page's register as image dialog.
GUI-1234: The form_field_row panel expects the "reverse" param to be a boolean, not a string
Merge pull request #940 from eucalyptus/GUI-1234

GUI-1234: Allow checkbox input fields to be toggled via click or touch events