Rearranged URL namespaces to satisfy deprecation warnings

netbox/ipam/api/urls.py

@@ -37,4 +37,5 @@ router.register(r'vlans', views.VLANViewSet)
 # Services
 router.register(r'services', views.ServiceViewSet)
 
+app_name = 'ipam-api'
 urlpatterns = router.urls

netbox/ipam/urls.py

@@ -3,6 +3,7 @@ from django.conf.urls import url
 from . import views
 
 
+app_name = 'ipam'
 urlpatterns = [
 
     # VRFs