Fargate service with Cloud Map support (widdix#264)

[New Template] fargate/service-cloudmap - Fargate with Cloud Map
[New Template] vpc/cloudmap-private - Private Cloud Map namespace
[Improvement] fargate/service-* - Added parameter for Docker command

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

… 2.0.20190118

update docs

The string substitution is not possible in codepipeline so we have to…

…split the env into two parameters (widdix#257)

[New Template] fargate/service-cluster-alb - service that runs on a F…

…argate cluster and uses the cluster ALB

[Security] wordpress/wordpress-ha* - Update to WordPress 5.0.1

[Bug Fix] state/elasticache-memcached - DeletionPolicy snapshot not s…

…upported

[Improvement] * - Optimize DeletionPolicy

fix docs layout

update cfn-lint to 0.8.2