Loosen field name regex (closes #180)
Upgrade Lucene to 3.6.2
Add the full OOXML Schemas archive

This allows to parse Office documents that use exotic features.
Upgrade slf4j
Upgrade to Jetty 8.1.14 (requires JDK 6)
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  Upgrade to Jetty 8.1.14 (requires JDK 6)
  Upgrade slf4j
  Add the full OOXML Schemas archive
  Upgrade Lucene to 3.6.2
  Loosen field name regex (closes #180)