LUCENE-5936: Add backcompat checks to verify what is tested matches known versions

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene_solr_4_10@1624804 13f79535-47bb-0310-9956-ffa450edef68
detect invalid major version when writing .si

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene_solr_4_10@1624805 13f79535-47bb-0310-9956-ffa450edef68