Move search index config to Whitehall::SearchIndex
Use new Rummageable API in rake tasks
Use new Rummageable API in Searchable model
Guard against NoMethodError on nil
Re-implement fake Rummageable index in tests
Remove Whitehall.government_search_index_name (it's redundnant)
Use rummageable from new-api branch
Update Rummageable to released version
Merge pull request #652 from alphagov/new-rummageable-api

New rummageable api

https://www.pivotaltracker.com/s/projects/367813/stories/51654739