Fixing form submit issue with #155 (S000510).

The contact form submit button does not immediately submit the form (at least on Chrome 34/Win7), however, clicking the button a second time does submit the form. congress-forms-test fails with a similar issue, so I'm submitting this in hopes that it fixes the problem.
Merge pull request #824 from schmich/patch-2

Fixing form submit issue with #155 (S000510).