Merge pull request #57 from railsbridge-montreal/fhv_questions

turning "yes"/"no" parameters into booleans, fixes #56
fixed animation on questions
scroll to top when doing questionaire
Merge branch 'scroll-to-top'
Fix missing translation and issue with register url.
Also includes a tiny CSS layout fix.
Merge pull request #61 from benichu/bt-60-wrong-french-label-and-url

Fix missing translation and issue with register url.
Allow people who signed up before the questionnaire was ready to
complete their details.

Registrants can go to /register/edit, enter their email address and the
entry will be updated.
Merge pull request #59 from railsbridge-montreal/existing-user-questions

Existing user questions
fixing merge conflicts
merging