Make the deploy page swap in/out idempotent
Reorganize everything so it's more readable
Fix a typo for the 422 error code
Merge pull request #141 from nickjj/rails_deploy

Make the deploy page swap idempotent and rewrite the readme
Add Java Open JDK support
Use JRE as the default instead of JDK
Add role name to the defaults
Merge pull request #142 from nickjj/java

Add Java Open JDK role