Merge pull request #206 from mistergone/master

Fixes for rate-checker.js
Add front-end build script
Merge pull request #207 from mistergone/master

Changes to debounce, keyups, and errors
Port example config file to JSON
Add config.json to gitignore
Merge branch 'master' of github.com:cfpb/owning-a-home into build
Update browserify shim for config file
Merge pull request #208 from contolini/build

Change config file format to JSON
Mostly addresses the removal of placeholder values once a user enters their own values.
ARM fixes