added .travis.yml
added .travis.yml

votca/csg,junghans/csg,MrTheodor/csg,votca/csg,MrTheodor/csg,junghans/csg,votca/csg,votca/csg,junghans/csg,MrTheodor/csg,MrTheodor/csg,junghans/csg,junghans/csg,MrTheodor/csg,junghans/csg