reenable javadocs on JDK8

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1550110 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5492: Added shardAddress in grouping query responses. Added tests.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1550143 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5360: Netbeans support: streamline XSLT stylesheet; add basic code style

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1550178 13f79535-47bb-0310-9956-ffa450edef68