infra: update README to have links to travis.com
infra: update README to have links to travis.com
romani/checkstyle,checkstyle/checkstyle,checkstyle/checkstyle,rnveach/checkstyle,checkstyle/checkstyle,checkstyle/checkstyle,rnveach/checkstyle,rnveach/checkstyle,romani/checkstyle,romani/checkstyle,rnveach/checkstyle,romani/checkstyle,romani/checkstyle,rnveach/checkstyle,rnveach/checkstyle,checkstyle/checkstyle,checkstyle/checkstyle,romani/checkstyle