Database migration failure when dropping indexes

[briri]

Unable to drop indexes when running db/migrate/20170702012742_ensure_indexes_in_place.rb.
MySQL requires the foreign keys be dropped before the indexes are removed.

• users_perms
• questions_themes
• answers_question_options

[briri]

added lines to the migration file to drop and then re-add the foreign keys on the tables listed above

[briri]

fix has been merged into development. Will be moved into master during the next release

[stephaniesimms]

can't test. closing issue.