Fixing delete link see #7095
Minor - format code.
Minor - fixing PHP warnings, format code.
Filtering forum categories in category list.
Format code, removing globals.
Minor - format code, removing comments.
Minor - Fixing PHP warnings, format code.
Teachers will get notifications see #7028
Fixing PHP warning.
Minor - format code, updating docs
Fixing page when using Custom pages see BT#7993
Removing jcapture lib, already added in plugin/
Fixing lang vars see #6983
Merge branch '1.9.x' of github.com:chamilo/chamilo-lms into 1.9.x
merge