Merge stable into master for release 1.5.0.

Update KUBERNETES_VERSION to 1.16 and move the body-size limit from frontend service to nginx-ingress. (#412)
Update bucket-monitor and autoscaler versions for better 1.16 compatibility. (#419)
Fixed bug in unescaped annotations in helm templates (#421)
Update helm charts to use single STORAGE_BUCKET environment variable including bucket protocol. (#414, #417)
Update Issue template (#418)
Add new mesmer consumers and zip consumers. (#420, #422)
Update redis-consumer helm chart to 0.4.0 (#424)

vanvalenlab / kiosk-console