Make Protein.proteinFeatures a reverse reference of ProteinFeature.proteins closes #718
Make Protein.proteinFeatures a reverse reference of ProteinFeature.proteins closes #718



Former-commit-id: 748e9e9d4bdbc6959c6e088b98de846a7b9e95c1
julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine