Separated OpenstackInterface feature from OpenstackNetworking application.

Change-Id: I4766de7e93c5b432c50a2167b9a9d9d4605b1ad2
diff --git a/apps/openstacknetworking/openstackswitching/pom.xml b/apps/openstacknetworking/openstackswitching/pom.xml
index 932da8f..3910025 100644
--- a/apps/openstacknetworking/openstackswitching/pom.xml
+++ b/apps/openstacknetworking/openstackswitching/pom.xml
@@ -37,6 +37,11 @@
         </dependency>
         <dependency>
             <groupId>org.onosproject</groupId>
+            <artifactId>onos-app-openstackinterface-api</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
             <artifactId>onos-app-dhcp</artifactId>
             <version>${project.version}</version>
         </dependency>