Changes to solve issue #6929
Changes to solve issue #6929
remove comment
Changes to solve issue #6929
Merge branch '1.9.x' of https://github.com/chamilo/chamilo-lms into 1.9.x
Solves issue #6974
Solves issue #6981
Merge branch '1.9.x' of github.com:aigualada/chamilo-lms into aigualada-1.9.x