Implement Species

router/routes.go
router/api.go
models/species_test.go
models/species.go
models/client.go
datastore/migrations/addspecies.sql
datastore/migrations/dropspecies.sql
datastore/species_test.go
datastore/species.go
datastore/datastore.go
api/species_test.go
api/species.go
api/handler.go