SOLR-5681: Add synchronization while printing tracking maps to a fix jenkins failure (Merge from trunk)

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1597140 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5681: Fixing CHANGES.txt entry

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1597150 13f79535-47bb-0310-9956-ffa450edef68
Move SOLR-5468 to new features section

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1597157 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5681: Fixing CHANGES.txt entry, moving it into the Optimizations section

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1597161 13f79535-47bb-0310-9956-ffa450edef68
Merged revision(s) 1597299 from lucene/dev/trunk:
LUCENE-5704: Fix compilation error with Java 8u20

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1597301 13f79535-47bb-0310-9956-ffa450edef68
SOLR-6112: Increase default timeout of 10 seconds to 90 seconds to pass on slow machines

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1597392 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5706: remove the ability to unset a DocValues field through DV updates

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1597604 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5675: Add src/resources directory to maven config (merged trunk r1597695)

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SOLR-5973: Pluggable Ranking Collectors and Merge Strategies

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1597796 13f79535-47bb-0310-9956-ffa450edef68
Fix test bug RE  -180/+180 ambiguity.  seed: 349A33E5B7DF73A2:5681B850511BD076

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1597817 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5973: Pluggable Ranking Collectors and Merge Strategies

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1597923 13f79535-47bb-0310-9956-ffa450edef68
SOLR-3671: fix ongoing smoke test build failure

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1597937 13f79535-47bb-0310-9956-ffa450edef68
Clean up SolrTestCaseJ4.recurseDelete a bit and remove hairy cases of removing the parent file in certain tests.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1598013 13f79535-47bb-0310-9956-ffa450edef68
SOLR-6118: expand.sort bug for function queries; needed to sort.rewrite(searcher)

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1598147 13f79535-47bb-0310-9956-ffa450edef68
Auto index & optimize imports.  And switch to java5 for-each in place of some iterators, generics issues.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1598155 13f79535-47bb-0310-9956-ffa450edef68
Merged from trunk
SOLR-6118: CHANGES.txt [from revision 1598193]

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1598194 13f79535-47bb-0310-9956-ffa450edef68
SOLR-6029: fix smoke test failure

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1598196 13f79535-47bb-0310-9956-ffa450edef68
SOLR-6119: a quick workaround for the problem of removing files that are still open during the test.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1598206 13f79535-47bb-0310-9956-ffa450edef68
SOLR-6116: Refactor DocRouter.getDocRouter to accept routerName as a String

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1598213 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5680: add aotmic DocValues updates

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1598277 13f79535-47bb-0310-9956-ffa450edef68