Updated editor view and editorModel
Merge remote-tracking branch 'origin/develop' into editor-view-refactor

* origin/develop:
  Readded _courseId to schema
Added projectView addPage _courseId
Updated the editorView models and collections
Updated editor view, models and collections
Updated editorMenu
Updated router to load any page from outside the editor
Added missing 'event' parameter
Merge branch 'block_crud' into editor-view-refactor

Conflicts:
	frontend/src/core/editor/models/editorArticleModel.js
	frontend/src/core/editor/views/editorView.js