Minor - making a query readable!
Fixing query. see BT#7311
Merge branch '1.9.x' of ssh://github.com/chamilo/chamilo-lms into chamilo19
If url is present then, there's a file to download see BT#7311
Fixing query see BT#7311
Fixing download file list see #7311
Adding js for advanced properties from 1.10
Adding official code see BT#7060
Minor - fixing PHP warnings.
Minor - fixing PHP warnings.
Using active IN (0, 1) instead of active = 1 to keep BC see BT#7311
Minor - format code.
Minor - format code.
Fixing sql query.
Merge pull request #35 from chamilo/1.9.x

1.9.x