disable collapse button on root
disable collapse button on root

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