Nobrainer, ORM for RethinkDB, support
Changes recommended by @nviennot

More exact ORM checking for NoBrainer and requiring
active_support/core_ext for the facet tests.
Set a min required gem version for NoBrainer

The SQL test will fail with a lesser version as v0.19.0 adds the
ability to set the created_at and updated_at times
Only install RethinkDB when needed
Merge branch 'eksoverzero-nobrainer'
Updated RethinkDB install
Moved to travis script to separate directory and use bash
Configure NoBrainer in test mode, removed outdated aliases
Moved all before install commands into script
Merge branch 'master' of https://github.com/nviennot/searchkick into nviennot-master
Merge branch 'nviennot-master'
Updated changelog for NoBrainer
Merge pull request #1 from ankane/master

Merge from source master