Adding travis-output-filters
diff --git a/.travis-output-filters b/.travis-output-filters
new file mode 100644
index 0000000..f401281
--- /dev/null
+++ b/.travis-output-filters
@@ -0,0 +1,15 @@
+Downloading from
+Copying
+Progress
+Resolving deltas:
+[WARNING] *****************************************************************
+[WARNING] * Your build is requesting parallel execution, but project *
+[WARNING] * contains the following plugin(s) that have goals not marked *
+[WARNING] * as @threadSafe to support parallel building. *
+[WARNING] * While this /may/ work fine, please look for plugin updates *
+[WARNING] * and/or request plugins be made thread-safe. *
+[WARNING] * If reporting an issue, report it against the plugin in *
+[WARNING] * question, not against maven-core *
+[WARNING] The following plugins are not marked @threadSafe in
+[WARNING] org.apache.rat:apache-rat-plugin
+[WARNING] Enable debug to see more precisely which goals are not marked @threadSafe.
