* make it not return http 400 when passing and empty source argument
* create a spec for the empty source hash bug
* compact checks for nil, empty? parameters
* use nil.blank? instead checking for nil
* Add more granular OAuth scopes
* Add human-readable descriptions of the new scopes
* Ensure new scopes look good on the app UI
* Add tests
* Group scopes in screen and color-code dangerous ones
* Fix wrong extra scope
* Enable updating additional account information from user preferences via rest api
Resolves#6553
* Pacify rubocop
* Decoerce incoming settings in UserSettingsDecorator
* Create user preferences hash directly from incoming credentials instead of going through ActionController::Parameters
* Clean up user preferences update
* Use ActiveModel::Type::Boolean instead of manually checking stringified number equivalence
* Move ApiController to Api/BaseController
* API controllers inherit from Api::BaseController
* Add coverage for various error cases in api/base controller