Merged revision(s) 1507742 from lucene/dev/trunk:
SOLR-5083: Move JDK-1.0-style hidden classes into inner classes of SolrRequestParsers (to prevent uptodate javac bugs)

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1507743 13f79535-47bb-0310-9956-ffa450edef68