Upgrade to play 2.3.6
PoodleSSLEngineProvider to disable SSL

Based on https://groups.google.com/forum/#!searchin/play-framework/poodle/play-framework/rQ7sEPtcmlw/p8IVkk5MDaIJ
Enable PoodleSSLEngineProvider by default
Fix facebook link
Models for volume references
Controllers and basic interface for references, untested
Complete references editing, don't inherit citations

Un-rename citation to reference.