Send the survey_id through the constructor
Set i18n's content in defaults instead of the constuctor
Snaked a camel method
Replaced 'this.' with '@' in QuestionModel
Removed unnecessary TODO. Keeping the job of the class
Keep toJSON method intact
Extracted init_sortable from initializer
Added missing translations and regenerated js translations
re-Render in reorder method
Fixed extra indentation
Refactored reordering in dummy_pane. [iteration 1]