Update .travis.yml
Update .travis.yml
un33k/python-slugify,edunham/python-slugify,nMustaki/python-slugify,samstav/python-slugify,dgillis/python-slugify,dgillis/python-slugify,edunham/python-slugify,nMustaki/python-slugify,samstav/python-slugify,un33k/python-slugify