minor: change checkstyle web site url
minor: change checkstyle web site url

rnveach/checkstyle,romani/checkstyle,romani/checkstyle,rnveach/checkstyle,rnveach/checkstyle,checkstyle/checkstyle,checkstyle/checkstyle,checkstyle/checkstyle,romani/checkstyle,checkstyle/checkstyle,checkstyle/checkstyle,romani/checkstyle,rnveach/checkstyle,rnveach/checkstyle,checkstyle/checkstyle,romani/checkstyle,rnveach/checkstyle,romani/checkstyle