Add a property for linking to FlyExpress. Fixes #893.
Add a property for linking to FlyExpress.
Fixes #893.



Former-commit-id: 6fcd99bd3af96e297001f6fe4f5a6b6750bdfc1f
julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine