Added the Apache License at the top of the file

Author: Emaasit

examples/src/main/r/1-data.R

@@ -1,7 +1,18 @@
 #
-# Author:   Daniel Emaasit (@emaasit)
-# Purpose: This script shows how to create Spark DataFrames 
-# Date:    06/05/2015
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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.
 #
 
 # For this example, we shall use the "flights" dataset
@@ -27,4 +38,4 @@ flightsDF <- createDataFrame(sqlCtx, flights_df)
 printSchema(flightsDF)
 
 ## Cache the DataFrame
-cache(flightsDF)
+cache(flightsDF)