Upgrade to play 2.3.0, dependencies broken

Update all deprecated interfaces, remove custom ActionFunction.
Not upgrading to scala 2.11, or SbtWeb yet, but should.
Fix dependencies; update logback-access
WIP: scala 2.11
Compiling upgrade to scala 2.11; production working, dev not

Requires some local builds of play-plugins and postgresql-async
Merge branch 'excerpts'
Fix asset superseding and catch duplicate error earlier

Fix #1593
Volume funding boiler-plate schema and models
Fix retrieved citation text-encoding
Merge branch 'excerpts' of https://github.com/databrary/databrary into excerpts
Merge branch 'mike' into excerpts
Switch to official play-plugins-mailer package
disable uses default cursor
squash validator and validInput
clean wizard class test
un-error register tabs
Complete schema/models for funding

Inconsistent schema
Controllers for volume funding
Synchronize funding schema
Merge branch 'fundref' into excerpts
Add funder search