Change API prefix
Revert API prefix change
Add update action for users
Fix unhandled error when JWT does not exists
Change fixture load strategy

Then: always populate database on lift
Now: check if database is empty. If so, load data.
Change database migration strategy on development
Add 'destroy' and 'current' actions.
Change badRequest to return messages in production

This is needed to check validation errors on the Ember App.
Add policies for User.current and User.destroy
Change Waterlock post login action

Now it will return the JWT for the logged in user.
Merge branch 'feature/manage-user-account' into develop