OTD-299 add copyright header to ValidateGTFS

onebusaway-gtfs-transformer/src/main/java/org/onebusaway/gtfs_transformer/impl/ValidateGTFS.java

@@ -1,3 +1,18 @@
+/**
+ * Copyright (C) 2019 Cambridge Systematics, Inc.
+ *
+ * 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.onebusaway.gtfs_transformer.impl;
 
 import org.onebusaway.cloud.api.ExternalServices;