don't show schema if there are no cubes available
don't show schema if there are no cubes available

witcxc/saiku,OSBI/saiku,qixiaobo/saiku-self,wtstengshen/saiku,brenopolanski/saiku-ui,devgateway/ccrs-saiku,qixiaobo/saiku-self,wwf830527/saiku,NAUMEN-GP/saiku,NAUMEN-GP/saiku,devgateway/ccrs-saiku,hengyuan/saiku,bisone/saiku,zegang/saiku,qixiaobo/saiku-self,qqming113/saiku,newenter/saiku,qqming113/saiku,ZauR77/saiku-ui,zegang/saiku,newenter/saiku,dasbh/saiku,wtstengshen/saiku,OSBI/saiku,standino/saiku,standino/saiku,newenter/saiku,OSBI/saiku,dasbh/saiku,devgateway/ccrs-saiku,zegang/saiku,OSBI/saiku-ui,NAUMEN-GP/saiku,dasbh/saiku,qqming113/saiku,bisone/saiku,wtstengshen/saiku,customme/saiku,pstoellberger/saiku-ui,qixiaobo/saiku-self,zegang/saiku,standino/saiku,bisone/saiku,wtstengshen/saiku,witcxc/saiku,dasbh/saiku,hengyuan/saiku,OSBI/saiku,wwf830527/saiku,hengyuan/saiku,GermainSIGETY/sauceDallas-saiku3-ui,customme/saiku,qqming113/saiku,customme/saiku,dasbh/saiku,brenopolanski/saiku-ui,qqming113/saiku,standino/saiku,NAUMEN-GP/saiku,wtstengshen/saiku,OSBI/saiku,OSBI/saiku-ui,qqming113/saiku,hengyuan/saiku,newenter/saiku,standino/saiku,witcxc/saiku,zegang/saiku,zegang/saiku,standino/saiku,wwf830527/saiku,pstoellberger/saiku-ui,devgateway/ccrs-saiku,dasbh/saiku,bisone/saiku,bisone/saiku,wwf830527/saiku,wwf830527/saiku,NAUMEN-GP/saiku,wtstengshen/saiku,bisone/saiku,devgateway/ccrs-saiku,devgateway/ccrs-saiku,customme/saiku