SOLR-5540: HdfsLockFactory should explicitly create the lock parent directory if necessary.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1548590 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5533: Improve out of the box support for running Solr on hdfs with SolrCloud.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1548593 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5357: Upgrade StandardTokenizer and UAX29URLEmailTokenizer to Unicode 6.3; update UAX29URLEmailTokenizer's recognized top level domains in URLs and Emails from the IANA Root Zone Database.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1548595 13f79535-47bb-0310-9956-ffa450edef68
SOLR-1301: Fix a couple of bugs around setting up the embedded Solr instance.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1548600 13f79535-47bb-0310-9956-ffa450edef68