Add switch toolbar functionality. It reads only from config.js - refs BT#8968
Merge branch 'ckeditor' of https://github.com/ilosada/chamilo-lms into 8975

Conflicts:
	main/inc/lib/ckeditor/config.js
Finish switch toolbar functionality - refs BT#8968
Add wiki default and extended toolbars - refs BT#8968
Add work default and extended toolbars - refs BT#8968
Add wiki_task default and extended toolbars - refs BT#8968
Add wiki_student default and extended toolbars - refs BT#8968
Add wiki_feedback default and extended toolbars - refs BT#8968
Add training_description default and extended toolbars - refs BT#8968
Merge branch 'ckeditor' of https://github.com/ilosada/chamilo-lms into 8975

Conflicts:
	main/inc/lib/ckeditor/config.js
Set CKEditor toolbar - refs BT#8975