ONOS-2622
Fix error of north app and update onos-app-vtnrsc package

Change-Id: I375002ff26d2ab3ada879a92a1d47bcdb8980054
diff --git a/apps/vtnrsc/src/main/java/org/onosproject/vtnrsc/AllocationPool.java b/apps/vtnrsc/src/main/java/org/onosproject/vtnrsc/AllocationPool.java
new file mode 100644
index 0000000..85d1fa9
--- /dev/null
+++ b/apps/vtnrsc/src/main/java/org/onosproject/vtnrsc/AllocationPool.java
@@ -0,0 +1,38 @@
+/*

+ * Copyright 2015 Open Networking Laboratory

+ *

+ * Licensed under the Apache License, Version 2.0 (the "License");

+ * you may not use this file except in compliance with the License.

+ * You may obtain a copy of the License at

+ *

+ *     http://www.apache.org/licenses/LICENSE-2.0

+ *

+ * Unless required by applicable law or agreed to in writing, software

+ * distributed under the License is distributed on an "AS IS" BASIS,

+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

+ * See the License for the specific language governing permissions and

+ * limitations under the License.

+ */

+package org.onosproject.vtnrsc;

+

+import org.onlab.packet.IpAddress;

+

+/**

+ * The continuous IP address range between the start address and the end address for the allocation pools.

+ */

+public interface AllocationPool {

+

+    /**

+     * The start address for the allocation pool.

+     *

+     * @return startIp

+     */

+    IpAddress startIp();

+

+    /**

+     * The end address for the allocation pool.

+     *

+     * @return endIp

+     */

+    IpAddress endIp();

+}