LUCENE-4784, LUCENE-4785, LUCENE-4786: Fixed references to deprecated classes SinkTokenizer, ValueSourceQuery and RangeQuery.


git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1448852 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-4792: Reduction of the memory required to build the doc ID maps used when merging segments.


git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1448853 13f79535-47bb-0310-9956-ffa450edef68