Added missing copyright and license text

Change-Id: Id14dbbdb7e95ef4b6168889c3585d00752e126e5

+/*
+ * 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.store.consistent.impl;
 
 import java.util.concurrent.CompletableFuture;

+/*
+ * 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.store.consistent.impl;
 
 import static com.google.common.base.MoreObjects.toStringHelper;

-package org.onosproject.store.consistent.impl;
-
 /*
  * Copyright 2015 Open Networking Laboratory
  *
@@ -15,6 +13,7 @@ package org.onosproject.store.consistent.impl;
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+package org.onosproject.store.consistent.impl;
 
 import com.codahale.metrics.Timer;
 import com.google.common.collect.Maps;