Fix Chrome errors.
Switch checkboxes to radio buttons. Remove unused xml template. Improve validation. Use strict equality checks in js.
Rename form field name attributes to match JS model. Use that to match to the model observable and set value for disabled fields to undefined, ensuring they get trimmed from output.
Rename vars (commissioner == sponsor) so that data views are a bit more understandable. Get committee FEC id working like the other typeaheads.