[CLOUD-1946] Change image stream sample ref for EAP 7.1
[CLOUD-1946] Change image stream sample ref for EAP 7.1

jboss-openshift/application-templates,bdecoste/application-templates,bparees/application-templates,errantepiphany/application-templates,rcernich/application-templates,knrc/application-templates,kyguy/application-templates