Add travis file
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..49a24fa
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,31 @@
+# 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.
+
+# requiring sudo forces Travis to build in an environment with more RAM
+sudo: required
+language: java
+# speed up builds; don't use cache with default install step
+cache:
+ directories:
+ - $HOME/.m2
+install: echo NOOP Skipping pre-fetch of Maven dependencies
+jdk:
+ - openjdk8
+before_script:
+ - unset _JAVA_OPTIONS
+env:
+ - BUILD_ARGS="clean verify javadoc:jar" # main build of unit tests and javadoc
+script:
+ - mvn $BUILD_ARGS