Add notebook_student default and extended .js.php toolbars - refs BT#8968
Add notebook default and extended .js.php toolbars - refs BT#8968
Add messages default and extended .js.php toolbars - refs BT#8968
Add learning_path_documents default and extended .js.php toolbars - refs BT#8968
Fix several property names in default and extended .js.php toolbars - refs BT#8968
Merge branch 'ckeditor' of https://github.com/ilosada/chamilo-lms into 8978

Conflicts:
	main/inc/lib/ckeditor/toolbars/extended/learning_path_documents.php
	main/inc/lib/ckeditor/toolbars/extended/messages.php
	main/inc/lib/ckeditor/toolbars/extended/notebook.php
	main/inc/lib/ckeditor/toolbars/extended/notebook_student.php
Enable Leaflet plugin in all CKEditor toolbars - refs BT#8978