Bump aws-sdk-ec2 from 1.5.0 to 1.6.0
Bump aws-sdk-ec2 from 1.5.0 to 1.6.0

Bumps [aws-sdk-ec2](https://github.com/aws/aws-sdk-ruby) from 1.5.0 to 1.6.0.
- [Changelog](https://github.com/aws/aws-sdk-ruby/tree/master/gems/aws-sdk-ec2/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-ruby/commits)
darrenleeweber/aws-ops,darrenleeweber/aws-ops