[ONOS-4513] decouple optical-model from CLI

- core/cli is now optical-model clean
- Add command for pretty printing optical-ports

Change-Id: I2926ef6d52971d1a7f6642dfe4098d7ed2422363
diff --git a/providers/openflow/app/pom.xml b/providers/openflow/app/pom.xml
index 70bf396..989be48 100644
--- a/providers/openflow/app/pom.xml
+++ b/providers/openflow/app/pom.xml
@@ -33,6 +33,7 @@
         <onos.app.title>OpenFlow Meta App</onos.app.title>
         <onos.app.category>Provider</onos.app.category>
         <onos.app.requires>
+            org.onosproject.optical-model,
             org.onosproject.openflow-base,
             org.onosproject.hostprovider,
             org.onosproject.lldpprovider