Update to Rails 4.0.0.beta1
rake rails:update
require 'ochiba/flickr' in initializer
Rails 4: Use the Strong Parameters
Update database_cleaner to version 1.0.0.RC1
Fix scope
Uninstall guard-spork
Install spring

And uninstall guard-spork.
Use rspec with spring
Check config file exists
Assets pipeline settings for Heroku