further generalized getFeatureColor(groupId) to getFeatureProperty(groupId, property)
further generalized getFeatureColor(groupId) to getFeatureProperty(groupId, property)

AliTVTeam/AliTV,AliTVTeam/AliTV,BioInf-Wuerzburg/AliTV,BioInf-Wuerzburg/AliTV,BioInf-Wuerzburg/AliTV,BioInf-Wuerzburg/AliTV,BioInf-Wuerzburg/AliTV,BioInf-Wuerzburg/AliTV