Check for the private ip if public ip is empty
Add dependency on capistrano 2.15.5 and minor version bump
Merge branch 'master' into support-the-vpc

* master:
  Inline array required note
  Document deploying to multiple regions
Load aws credentials from environment variables by default
Update the documention
Rename from README.markdown to README.md
Modernize the gem spec structure
Merge pull request #6 from douglasjarquin/support-the-vpc

Support the VPC