ec2: move cfdsl.ec2.EC2 static fns to resources.
autoscaling: move AutoScaling methods to resources
cloudformation: move static builders to resources.
cloudtrail: move static builders to resource.
cloudwatch: move static builder to resource.
dynamodb: move static builder to resource.
elasticache: move static builders to resources.
iam: move cfdsl.iam.IAM statics to resources.
rds: move cfdsl.rds.RDS builders to resources.
route53: move static builders to resource.
ec2: rough support for AWS::EC2::EIP.
ec2: rough support for AWS::EC2::NetworkInterface.