Add CKEditor video plugin - refs BT#8975
Add elfinder file manager - refs BT#8975
Set documents toolbar - refs BT#8975
Integrate elfinder with CKEditor - refs BT#8975
Init audio plugin - refs BT#8975
Allow choose autoplay - refs BT#8975
Minor - Format code - resf BT#8975
Set size to audio element - refs BT#8975
Update plugin icons - refs BT#8975
Add Leaflet plugin and dependencies - refs BT#8978
Repĺace googlemaps for leftlet - resf BT#8978
merge
Fix bug when using direct link with custom pages - refs CT#7371
Upgrade CKEditor to 4.4.5 - refs BT#8975
Upgrade CKEditor to 4.4.5 and replace plugin locations - refs BT#8976
Replace plugin locations - refs BT#8976
Merge branch 'ckeditor' of https://github.com/ilosada/chamilo-lms into 8975

Conflicts:
	main/inc/lib/ckeditor/config.js
Add YouTube plugin - refs BT#8977
Set YouTube plugin locations - refs BT#8977
Merge branch 'ckeditor' of https://github.com/ilosada/chamilo-lms into 8975

Conflicts:
	main/inc/lib/ckeditor/config.js