Validate EC name regardless of country

There's no reason to stop requiring an emergency contact name just
because someone's international. Moved the block to the right place.
Automatically check international checkbox

Ubersystem tries to validate information based on US standards unless
the "international" checkbox is checked. Since this checkbox is
unnecessary when collecting the full address, it is hidden and changed
based on the Country field.
Merge pull request #657 from magfest/fix_international_checkbox

Fix international checkbox