Updated documentation to include discussion of installer
Updated documentation to include discussion of installer

widdix/aws-ec2-ssh,usertesting/aws-ec2-ssh,ehalpern/aws-ec2-ssh,ebmeierj/aws-ec2-ssh,widdix/aws-ec2-ssh,MvBCoding/aws-ec2-ssh,MvBCoding/aws-ec2-ssh,ebmeierj/aws-ec2-ssh