Merged revision(s) 1537119 from lucene/dev/trunk:
SOLR-5401: SolrResourceLoader logs a warning if a deprecated (factory) class is used in schema or config

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1537122 13f79535-47bb-0310-9956-ffa450edef68