Keep the navbar on the front page
Get started with applicant management per user
Add creation of new applicants
Add a placeholder applicants/show view

This'll probably become the main page for getting to all the other
sections of the form.
Fix people having nil applicant_id in seeds

Every person should have an applicant it belongs_to.  The seeds were
generating people incorrectly with a nil applicant_id.
Make people editable through the new application page
Fix seeding for sample applicant
Don't make success buttons red

Use the Bootstrap default style.
Show flash.alert and flash.notice in layout
Household members can be created for new or existing people
Merge remote-tracking branch 'origin/master' into applicant-management

* origin/master:
  Updated all Race T's to TIckYes
Disable the old form to avoid confusing people