IT-3317: fixed Docker image reference (must be lower case) (#320)

* fixed Sub command

* fixed {NOTEBOOK_TYPE} ->

* fixed yaml

* idempotently create network; remote 'opt/aws/bin' prefix from 'cfn-init' and 'cfn-signal'

* pass instance-id from env to cfn-init command

* try defining EC2_INSTANCE_ID directly in command env

* IT-3317: add template for dockerized service catalog notebook product

* jupyter startup command works now

* updates from last CR; tested in SC-DEV

* upped the resources for the reverse proxy

* update reverse-proxy container version to match format required in proxy CI script

* Set env vars for tagging Lambda; use 'v2' of metadata services

* fixed Docker image reference (must be lower case)

templates/ec2/sc-ec2-linux-docker-notebook.yaml

@@ -309,7 +309,7 @@ Resources:
                 -e AWS_REGION=${AWS_REGION} \
                 -e SERVICE_CATALOG_PREFIX=${SERVICE_CATALOG_PREFIX} \
                 -e SSM_PARAMETER_SUFFIX=${SSM_PARAMETER_SUFFIX} \
-                ghcr.io/Sage-Bionetworks-IT/notebook-reverse-proxy-${NOTEBOOK_TYPE}:v1.0.0
+                ghcr.io/sage-bionetworks-it/notebook-reverse-proxy-${NOTEBOOK_TYPE}:v1.0.0
               env:
                 AWS_REGION: !Ref AWS::Region
                 NETWORK_NAME: