* Disable source as well as destination on editing
* Various visual/textual amends
* Make errors only appear once you've interacted with a field
* Move tests that involve selecting menus to a create form
* Revert fieldsets and checkboxes
* Disable ability to select destination if not creating
* Add a LegacyID for intentions that don't have them
* Use `/exact/` endpoint for reading single intentions
* Fix up test for new API interaction
* Upgrade consul-api-double
* Comment out tests using destination for the moment
Also, removed any intention related things from the old page-navigation
tests
John Cowen