npe made hasPhenotype a functional property so that disjointness inherits across types, also added hasDendriteMorphologicalProperty for relationships between neurons and dendrite phenotypes, allowing the dendrite to be modelled implicilty
npe made hasPhenotype a functional property so that disjointness inherits across types, also added hasDendriteMorphologicalProperty for relationships between neurons and dendrite phenotypes, allowing the dendrite to be modelled implicilty

tgbugs/pyontutils,tgbugs/pyontutils,tgbugs/pyontutils,tgbugs/pyontutils