SOLR-5082: Fix credits

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1524282 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5243: Killing a shard in one collection can result in leader election in a different collection if they share the same coreNodeName.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1524286 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5243: CHANGES entry.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1524288 13f79535-47bb-0310-9956-ffa450edef68
SOLR-4221 changed format router is stored

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1524442 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5221: SimilarityBase.computeNorm is inconsistent with TFIDFSimilarity

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1524457 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5223: Fixed IndexUpgrader command line parsing: -verbose is not required and -dir-impl option now works correctly

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1524521 13f79535-47bb-0310-9956-ffa450edef68