- Adds standard file header

Author: Alan Christie

src/groovy/Log.groovy

@@ -1,3 +1,25 @@
+#!/usr/bin/env groovy
+
+/**
+ * Copyright (c) 2018 Informatics Matters Ltd.
+ *
+ * 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.
+ */
+
+/**
+ * A simple log/printing utility module.
+ */
+
 // Number of warnings generated
 def warningCount = 7