Merge branch 'master' into lucene-6835

Conflicts:
	lucene/facet/src/test/org/apache/lucene/facet/taxonomy/directory/TestAddTaxonomy.java
	lucene/facet/src/test/org/apache/lucene/facet/taxonomy/writercache/TestCompactLabelToOrdinal.java
tree: 8261c502f5b85efc2d1324bbf17fced76b67d3eb
  1. dev-tools/
  2. lucene/
  3. solr/
  4. .gitignore
  5. .hgignore
  6. build.xml
  7. README.txt