Revert 1496505

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1496564 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5078: Allow TfIDFSimilarity implementations to encode norm values into more than a single byte

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1496579 13f79535-47bb-0310-9956-ffa450edef68
SOLR-4960: fix race in CoreContainer.getCore

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1496620 13f79535-47bb-0310-9956-ffa450edef68
fix test to use only a single byte

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1496636 13f79535-47bb-0310-9956-ffa450edef68