Add tests for locale setting (#1823) ...

* Add tests for locale setting

- Adds Faker::Language module for testing languages with real-ish data
- Refactors global constants into Language model (See Issue#1696)
- Add specs to test locale change works

* Clean up language files to remove long names

* Add DB check in FastGettext initializer

* Set Memory cache for temporary caching solution

* Fix bug in Plan Rule

Refactor rule: Plann - fix blank title

Update rule for answers with blank user

Update description on org rules

Add rules to fix invalid Annotation records

Refactor SQL query for rules with missing assoc.

Add rule to remove invalid Org contact_emails

Add rule to strip whitespace from the Org name

Remove ID search from Org abbreviation fix ...

The IDs are different on each DB.

Update rules for fixing duplicate section numbers

Replace boolean DataCleanup rules with migrations ...

Decided it would be a better idea for moving forward if we just constrained these at the DB level.

Add better logging for DataCleanup tasks

Add framework and rake tasks for updating records ...

See lib/data_cleanup/README.md for more info