Fix bug where exception would be thrown by module.js l-485

- config.json: Unexpected token d
- JSON keys/values are now wrapped in double quotes.
Merge pull request #25 from miphe/json-fix

Fix bug where exception would be thrown by module.js l-485
Add Gemfile.lock to gitignore.
Add /register route and template (empty) to go with it.

refs #23
Add registration form to the registration page.
Also add missing acceptance test for that.
Add missing acceptance test for a way to get to the registration page.