OpenstackRouting refactoring

- Replace OpenstackPortInfo with HostService
- Replace OpenstackRoutingConfig with OpenstackNodeService
  (Remove OpenstackRoutingConfig)
- Rebased with 10330 (existing_vm)
- Added initialization process using OpenstackNodeListener

Change-Id: If2ce8eb86d242a7180c9154e1a0f1668b266bf1c
diff --git a/apps/openstacknetworking/routing/pom.xml b/apps/openstacknetworking/routing/pom.xml
index cc4f7d0..06a6d7e 100644
--- a/apps/openstacknetworking/routing/pom.xml
+++ b/apps/openstacknetworking/routing/pom.xml
@@ -68,6 +68,11 @@
             <artifactId>onos-scalablegateway</artifactId>
             <version>${project.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-app-openstacknode</artifactId>
+            <version>${project.version}</version>
+        </dependency>
     </dependencies>
 </project>