add travis-ci

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/trunk/tue_filesystem@26562 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6
install ros-indigo-ros for travis-ci

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/trunk/tue_filesystem@26563 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6
fix hard coded paths

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/trunk/tue_filesystem@26564 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6
add travis-ci support for groovy

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/trunk/tue_filesystem@26569 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6