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 <PatMyron@users.noreply.github.com>
Co-authored-by: Kevin DeJong <kddejong@amazon.com>

Author: 3 people