Upgrade doc indexer to Lucene 4.10

Change-Id: I1204d5c4ac3aee4bf9f0c8651975408811cbf583
Solr: Remove deprecated Analyzer constructor call

The default changed to use the current version, with an optional call
to setVersion() if the version should be changed. In this case it
should not be.

Change-Id: Id87515185ccf7d640ad80dd2972e0d13617df8a3
Lucene: Fix deprecated IndexWriter.close() call

Change-Id: Id5296a32e6d3d6ef62e02b0492875528d06b5041