Moved '--help' away from the beginning of the line - otherwise, changes-to-html thinks it's a sub-bulleted item. (merged branch_4x r1581232)

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene_solr_4_7@1581233 13f79535-47bb-0310-9956-ffa450edef68