Minor - format code.
Fixing - PHP warning
Minor - format code.
Adding missing functions.
Fixing PHP warnings.
Fixing PHP warnings.
Fixing CSS
Fixing CSS
Merge branch '1.9.x' of github.com:beeznest/chamilo-lms-icpna into icpna19
Fixing course home link in LP view see BT#7398
Fixing PHP warnings.
Allowing multiple prerequisites.
Fixing editing if none is selected.
Merge branch '1.9.x' into alex
Merge branch '1.9.x' of github.com:beeznest/chamilo-lms-icpna into 1.9.x
Minor - space changes
Merge branch '1.9.x' of github.com:beeznest/chamilo-lms-icpna into icpna19
update footer v-learning