[DGH] Ensure deterministic ordering in test
script to export json for batch loading into rummager
Use find_in_batches and control GC execution
Merge pull request #967 from alphagov/rummager-json-export

Rummager json export
Update date range filters for publications filters

• remove published header
• change from to published after and to, to published before
• update for filter resluts sumary too

https://www.pivotaltracker.com/story/show/58864958

fix failing js tests
Merge pull request #965 from alphagov/update-date-range-filters

Update date range filters

https://www.pivotaltracker.com/story/show/58864958
fix trailing whitespace
Always use Time.zone!