Merge pull request #38 from kz363/master

Change secrets.yml to read from ENV so file can be public
Add config for heroku asset pipeline
Add gem for heroku assets
Add rake task for tweet stream script
Attempt at getting script to run on heroku
Model rspec tests
Merge pull request #39 from newrube7/master

Model rspec tests
Add whenever gem to automate updating database with live tweets. Rake tasks added to support this.
Add cron job to update tweets in development database every 30 minutes"
Add deploy.rb for capistrano
Setup cron tasks for ninefold
Remove debugger from gemfile
Merge pull request #40 from kz363/kevin/whenever

Kevin/whenever