add travis-ci

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/trunk/tue_config@26565 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6
download source deps

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/trunk/tue_config@26566 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6
fix hard coded paths

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/trunk/tue_config@26567 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6
add travis-ci support for groovy

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/trunk/tue_config@26570 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6
User can add errors to config

git-svn-id: https://roboticssrv.wtb.tue.nl/svn/ros/trunk/tue_config@26579 3a3c2cfb-d3b9-409e-9e75-db8fcdbcaac6