document that ant 1.7.0, needed for junit 4 support is required, just like lucene
document that ant 1.7.0, needed for junit 4 support is required, just like lucene

git-svn-id: 308d55f399f3bd9aa0560a10e81a003040006c48@926632 13f79535-47bb-0310-9956-ffa450edef68

cscorley/solr-only-mirror,cscorley/solr-only-mirror,cscorley/solr-only-mirror