SOLR-4709: The core reload after replication if config files have changed can fail due to a race condition.
SOLR-5489: TestIndexAndConfigAliasReplication commonly fails because it tries to get a lock for a locked index.
SOLR-5343: TestReplicationHandler.doTestStressReplication fails ~ 33% of the time

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1544220 13f79535-47bb-0310-9956-ffa450edef68
Make sure there is at least one document when testing expression dictionary with deletes

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1544224 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5436: Eliminate the 1500ms wait in overseer loop as well as polling the ZK distributed queue.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1544255 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5347: Upgrade forbidden-apis checker to version 1.4. Fix Zookeeper bug with default encoding.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1544370 13f79535-47bb-0310-9956-ffa450edef68