add missing prereq
add missing prereq

ericzhai/mindmaps,ericzhai/mindmaps,codebuff/mindmaps,nzheyuti/mindmaps,shekhargulati/mindmaps-openshift-quickstart,ericzhai/mindmaps,shekhargulati/mindmaps-openshift-quickstart,drichard/mindmaps,nzheyuti/mindmaps,Scienthusiast/mindmaps,PsyGik/mindmaps,Scienthusiast/mindmaps,shekhargulati/mindmaps-openshift-quickstart,PsyGik/mindmaps,nzheyuti/mindmaps,PsyGik/mindmaps,codebuff/mindmaps,drichard/mindmaps,drichard/mindmaps,codebuff/mindmaps,Scienthusiast/mindmaps