Refactor wegas-datasource.js to remove useless methods
Refactor - Remove unuse wegas-datatable.js
Refactor wegas-entity.js to two separate files
Optim - Useless "" ereg
Refactor toolbar plugin to use widgetparent pattern
Refactor edit showUpdateForm pattern
Remove preview add button
Update MCQ entities.js to the new edition pattern
Refactor editor-treeview.js - Remove unused code
Review pagetreeview.js & add context menu & toolbar