CloudFormation Template Schema upgrade (#212)

aws-cloudformation/cloudformation-template-schema#32
https://github.com/aws-cloudformation/aws-cloudformation-template-schema/blob/master/docs/tool/instructions.md
as described in #76

Co-authored-by: PatMyron <[email protected]>
Co-authored-by: Kevin DeJong <[email protected]>

Author: 3 people