Merge pull request #6 from myrle-krantz/develop

Adding rat checks.
diff --git a/.travis.yml b/.travis.yml
index e9b981e..5cc5893 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,22 @@
+#
+# 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.
+#
+
 language: java
 jdk:
  - oraclejdk8
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
index 638b880..3863232 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,3 +1,20 @@
+/*
+ * 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.
+ */
+
 buildscript {
     repositories {
         jcenter()
@@ -12,6 +29,7 @@
 plugins {
     id 'com.github.hierynomus.license' version '0.13.1'
     id "com.jfrog.bintray" version "1.7.3"
+    id("org.nosphere.apache.rat") version "0.3.1"
 }
 
 apply plugin: 'java'
@@ -85,3 +103,9 @@
         java = 'SLASHSTAR_STYLE'
     }
 }
+
+rat {
+    // List of exclude directives, defaults to ['**/.gradle/**']
+    excludes = [ ".idea/**", ".gradle/**", "gradle/**", "build/**", "gradlew", "gradlew.bat", "README.md" ]
+
+}
\ No newline at end of file
diff --git a/settings.gradle b/settings.gradle
index f792e28..e68fb2c 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -1 +1,18 @@
+/*
+ * 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.
+ */
+
 rootProject.name = 'lang'
\ No newline at end of file