extra ec2 debugging
Add the ability to give ec2 instances tags.
Merge pull request #5 from halcyonCorsair/epahl/add_tags

Add the ability to give ec2 instances tags.
Merge pull request #2 from mattray/master

additional ec2 debugging
Refactor Rakefile.
Refactor server debugging & add tags to debugging.
Remove default_config :port in favor of SSHBase default (also 22).
Add required_config attributes for driver.

The following configuration attributes are required for this driver to
function correctly:

* aws_access_key_id
* aws_secret_access_key
* aws_ssh_key_id
* image_id
Fix tailor warnings.
Improvements to README.md.
Release 0.5.0, now with more tagging.
Up version for development.
Adding subnet_id option for use with VPCs
Update README.md with subnet_id info
Merge pull request #7 from dissonanz/add-subnet-id

Adding subnet_id option for use with VPCs
Release 0.5.1, now with VPC support.
Up version for development.
Use private ip if the public ip is nil
Match access and secret key env vars with what Amazon says you should set for the CLI tools. See http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/SettingUp_CommandLine.html
Don't set the public IP to the private IP value