Merged revision(s) 1624073 from lucene/dev/branches/branch_4x:
LUCENE-5934: Fix backwards compatibility for 4.0 indexes.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1624089 13f79535-47bb-0310-9956-ffa450edef68
SOLR-6452: StatsComponent's stat 'missing' will work on fields with docValues=true and indexed=false

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1624091 13f79535-47bb-0310-9956-ffa450edef68
Make "ant validate" also check svn working copy (we removed this check, because we wanted to be compatible with GIT checkouts or newer subversion repos). But we ignore those checks automatically, if its not a supported subversion.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1624095 13f79535-47bb-0310-9956-ffa450edef68
Revert 1624095: The check is already done by precommit, I missed this!

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1624101 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5863: port forward. the nocommit is intentional.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1624107 13f79535-47bb-0310-9956-ffa450edef68
improve test debuggability

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1624108 13f79535-47bb-0310-9956-ffa450edef68
SOLR-6452: CHANGES.txt entry

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1624117 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5935: remove terrifying yet stale TODO

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1624128 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5934: Add Ian Lea to CHANGES.txt

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1624146 13f79535-47bb-0310-9956-ffa450edef68
Fix over-long CHANGES.txt line.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1624151 13f79535-47bb-0310-9956-ffa450edef68
pull field spammers out of TestIndexWriter, stop the OOMs in testThreadInterruptDeadlock

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1624178 13f79535-47bb-0310-9956-ffa450edef68
 SOLR-6499

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1624181 13f79535-47bb-0310-9956-ffa450edef68
 SOLR-6499

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1624182 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5925: use rename instead of segments_N fallback/segments.gen

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1624194 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5863: smoke tester checks that TestBackwardsCompatibility has coverage for all but the dark-ages releases

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1624272 13f79535-47bb-0310-9956-ffa450edef68
 SOLR-6323: ReRankingQParserPlugin should handle paging beyond number reranked

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1624303 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5936: Add backcompat checks to verify what is tested matches known versions

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1624326 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5933: add FilterSpans

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1624327 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5933: fix eol-style

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1624358 13f79535-47bb-0310-9956-ffa450edef68
SOLR-6501: Binary Response Writer does not return wildcard fields

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1624370 13f79535-47bb-0310-9956-ffa450edef68