Bundle in Javascript runtime for Thin deployment
Add a staging environment identical to production

Create an identical environment to read application settings from when
deploying to the staging server.
Add a staging database configuration
Enable bundler in deployment environments

Use bundler to easily install gem dependencies in the production
servers.
Enable symlinked folders and files

Share certain pieces of data between all deployment releases so that
duplicates do not need to be made.
Fix branch/tag deployment prompt
Set rails_env in each deployment environment
Update deploy[:restart] to restart thin/check RVM