Add initial Data migration implementation
Add data migration files
Deduplicate reporter setting
Run data migrations inside transactions
Add missing data migration
Add Footnote 05976 data migration
Reverse database.yml changes
Add migration redo support
Fix case related typo
Remove schema migrations that duplicate data migrations

Will be doing a schema reload so this change is ok on that basis
Remove other unnecessary migrations
Add one missing data migration
Remove abbreviation column removing migration

This should not be here as no abbreviation columns are now being created
Merge pull request #91 from alphagov/data_migrations

Data migrations