Adding new updates from newest Docker images

• Updating Docker image versions

• Adding setting to enable/disable RTC mode

• Adding introspect URL for latest EGI hub introspect PR

common/deployments/hub-production.yaml

@@ -132,11 +132,6 @@ singleuser:
         #
         /usr/local/bin/jupyterhub-wait-remote-home
 
-         # Disables RTC extension. To enable it set this env variable in kubespawner_override
-         if [ -z JUPYTERHUB_ALLOW_TOKEN_IN_URL ]; then
-          jupyter-labextension  disable @jupyter/collaboration-extension
-        fi
-
         # Disables RTC extension. To enable it set this env variable in kubespawner_override
         # to JUPYTERHUB_ALLOW_TOKEN_IN_URL="1"
         if [ -z JUPYTERHUB_ALLOW_TOKEN_IN_URL ]; then