fix for showing announcement tags in emails -refs #6803
fix for showing announcement tags in emails -refs #6803
fix for showing announcement tags in emails -refs #6803
Following coding standards -refs #6803
Following coding standards -refs #6803
minor indentation fixes
Coding standards in function
Adding session id see BT#4704
Removing course_code from table access_url_rel_course see #6943
Fixing PHP warning.
Minor - Updating english lang variables
Merge pull request #194 from ycastillo/yoselyn.6803

Yoselyn.6803
Fixing query see BT#7386
Minor - refactor code.
Merge branch '1.9.x' of ssh://github.com/chamilo/chamilo-lms into chamilo19
Fixing - log_object.
Minor - fixing empty serialize.
If no title then use the url. See BT#7311
Fixing PHP warnings.
Minor - refactor code.