use logstash JSON format for logging in production
use mysql cookbook with outfit fix from article metrics repo
updated Gemfile.lock to latest master branch

Conflicts:
	Gemfile.lock
added models, controllers and views for user
added omniauth and devise gems, and configured devise initializer
authentication ENV variables
Merge pull request #128 from mfenner/utf8

use mysql cookbook with utf8 fix from article metrics repo
Merge pull request #127 from mfenner/logstash

Use logstash JSON format for logging in production.
use correct controller name
helper for login links
first iteration of login link
clean up csrf token
load persona javascript
fetch cas profile info
updated Cheffile
added login/logout to cart
removed unused devise methods
started rspec support
more css tweaks
load persona javascript later