Added contributors to credits
Fixing datepicker.
Fixing reporting see BT#7297
Merge branch '1.9.x' of github.com:chamilo/chamilo-lms into 1.9.x
Added comment about calculating total space used by documents inside a course
Merge branch '1.9.x' of github.com:chamilo/chamilo-lms into 1.9.x
update img logo baby_orange css