Install split.
Heroku configuration for split, and authentication on dashboard.
Playing with new sign-up page.
Nearly done with new sign up page
Update Gemfile.lock after conflict rebasing master in
Update airbrake
Simplified sign up page with user faces.
Style tweaks on new sign up page.
Tidy up upgraded bootstrap-wysihtml
First a/b test.
Sort out gem version conflicts
Fix broken tests after rspec upgrade
Set up split, update sign up page with first test, and upgrade various gems, mainly wysihtml-bootstrap. Fixes #128, fixes #136.