commit changes after doRandomForceMerge, or otherwise they're lost

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1607778 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5801: rename test vars, class and add missing ctor

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1607781 13f79535-47bb-0310-9956-ffa450edef68
SOLR-6223: SearchComponents may throw NPE when using shards.tolerant and there is a failure in the 'GET_FIELDS/GET_HIGHLIGHTS/GET_DEBUG' phase

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1607897 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5803: Add DelegatingAnalyzerWrapper, an optimized variant of AnalyzerWrapper that doesn't allow to wrap components or readers

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1607998 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5803: Add more Javadocs to AnalyzerWrapper to encourage people to use DelegatingAnalyzerWrapper (if possible). Add changes entry for Solr.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1608005 13f79535-47bb-0310-9956-ffa450edef68
The migration guide in Lucene 5 is about migrating Lucene 4->5

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1608014 13f79535-47bb-0310-9956-ffa450edef68
Increase timeout to 90 seconds to make it pass on slow jenkins machine

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1608127 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5770: Upgrade to JFlex 1.6, which has direct support for supplementary code points - as a result, ICU4J is no longer used to generate surrogate pairs to augment JFlex scanner specifications.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1608134 13f79535-47bb-0310-9956-ffa450edef68
SOLR-6225: Add the url of the node on which commitWithin failed

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1608138 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5796: Fix Scorer getChildren for two combinations of BooleanQuery

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1608454 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5692: Deprecate DisjointSpatialFilter; RPT stops using it

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1608488 13f79535-47bb-0310-9956-ffa450edef68