[Security] * - Update Amazon Linux 2 to 20191024.3 and ECS optimized …

…to 20191031 (widdix#364)

clean up

[Security] jenkins/* - Update Jenkins to 2.190.1 https://jenkins.io/c…

…hangelog-stable//#v2.190.1 (widdix#352)

[Security] ecs/cluster - Update Amazon Linux 2 optimized for ECS to 2…

…0190709 (widdix#347)

[Improvement] * - Improve alarms to not flip into insufficient data s…

…tate (widdix#343)

[New Template] vpc/vpc-flow-logs-s3 - Deliver VPC Flow Logs to S3 (wi…

…ddix#336)

[Security] * - Update Amazon Linux 2 to 2.0.20190508 and ECS optimize…

…d Amazon Linux 2 to 2.0.20190618 (widdix#334)

[Improvement] state/dynamodb - Support optional stream (widdix#328)

[Security] * -Get rid of managed policies (breaking change)

[Improvement] ecs/cluster - Remove unneeded ruby dependencies (now mo…

…ved to Lambda) (widdix#320)