Added AssociatePublicIpAddress to AWS::AutoScaling::LaunchConfiguration. http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-as-launchconfig.html
Added NetworkInterfaces to EC2 instances. http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ec2-instance.html
Added IamInstanceProfile to EC2::Instance type. http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ec2-instance.html#cfn-ec2-instance-iaminstanceprofile