Lucene 3.6.2, POST queries, full OOXML schemas, increase granularity of Date queries

Hi Robert,

as discussed on the [couchdb-user mailing list](http://mail-archives.apache.org/mod_mbox/couchdb-user/201312.mbox/%3C294A533A-931D-4E0E-9B6E-CB064765A148@openssl.it%3E), this pull request contains a batch of changes that we found useful in our production environment.

Details are in the commit messages and in the NEWS file.

This contains @patricklodder's commit from #170, closing also #112.

Thanks!

~Marcello