allow _version_ to use DocValues

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1561851 13f79535-47bb-0310-9956-ffa450edef68
ToChild... and ToParent... queries in join module use DocBlocksIterator
Remove commented code lines for stdout
New branch LUCENE-5092-pull-1
LUCENE-5409: fix ToParentBlockJoinQuery.rewrite to correctly preserve the origChildQuery after more than one iteration of rewrite

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1562124 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5652: test fixes: add 'plain' docvalue field variants to schema, and check codecs for support of missing docValues before trying to sort on them

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1562155 13f79535-47bb-0310-9956-ffa450edef68
Merge branch 'trunk' into docblocksiter
Correct rename missed by merging trunk