same code of PR#119 -refs #6599
Fixed assignments imported problem when already exist -refs #6599
Was storing global path, fixed -refs #6599
Minor change: elseif() by else { if()}
Added contributors to credits
Minor - fixes PHP warnings.
Fixing multiple true/false/doubt question see BT#7780
Minor - format code.
Minor fixing delete hotpotatoes where there are any contents.
Fixing hotpotatoe error when folder is empty.
Merge branch '1.9.x' of ssh://github.com/chamilo/chamilo-lms into chamilo19
Adding missing default_scorm.css.
Fixing wiki due recent changes (functions moved to class)
Fixing query.
Minor - adding language variable
Updating from 1.10
Changing lang variable for deleting selected attendances -refs #6880
Minor - format code.
Fixing pagination error see BT#7790
Minor - format code.