Added travis build.

Signed-off-by: Roman Grigoriadi <roman.grigoriadi@oracle.com>

.travis.yml

@@ -0,0 +1,23 @@
+# Copyright (c) 2019 Oracle and/or its affiliates. All rights reserved.
+#
+# This program and the accompanying materials are made available under the
+# terms of the Eclipse Distribution License v. 1.0, which is available at
+# http://www.eclipse.org/org/documents/edl-v10.php.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+language: java
+
+jdk:
+  - oraclejdk11
+
+cache:
+  directories:
+    - .autoconf
+    - $HOME/.m2
+
+install: true
+script:
+  - cd jaxb-ri
+  - mvn --update-snapshots --strict-checksums --activate-profiles staging,oss-release clean install