WIP debugging test failure in CI
contacts filtering functionality is done via ajax (if available) and requires `jquery_ujs`
show *Refresh results* button in contacts filtering form

if the browser doesn't support javascript
make assets work in dev
fix factories

It was creating a new contact every time you specified a trait
make specs work without javascript
remove poltergeist
Merge pull request #111 from alphagov/f-frontend-specs

Frontend specs - remove poltergeist and make specs/app work without js