package-info for common models

Change-Id: I981b3e824eacf7d8a11eb1d1e2ee584f814bc29c
diff --git a/models/common/src/main/java/org/onosproject/models/common/package-info.java b/models/common/src/main/java/org/onosproject/models/common/package-info.java
new file mode 100644
index 0000000..ee54d45
--- /dev/null
+++ b/models/common/src/main/java/org/onosproject/models/common/package-info.java
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * 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.
+ */
+/**
+ * Commonly used yang models.
+ */
+package org.onosproject.models.common;