Minor - removing unused code
Merge branch '1.9.x' of github.com:chamilo/chamilo-lms into nuevo
Using chamilo session id instead of the system session id
Using Import::csv_reader instead of Import::csv_to_array
Minor - format code
Minor - format code
Minor - Adding docs, removing unused code, code formatting.
Adding course session coaches in the get_personal_session_course_list() see BT#6845
accessing sessions by teachers when date have ended -refs #6778
Minor - format code
accessing sessions by teachers when date have ended -refs #6778
Indentation -refs #6778
accessing sessions by teachers when date have ended -refs #6778
Merge pull request #156 from ycastillo/yoselyn.6778

Yoselyn.6778
Merge branch '1.9.x' of github.com:chamilo/chamilo-lms into nuevo
Minor - updating spanish translations.
undoing previous change -refs #6778
Merge pull request #157 from ycastillo/yoselyn.6778

undoing previous change -refs #6778
Fixing function wrong key was validated.
Merge branch '1.9.x' of github.com:chamilo/chamilo-lms into nuevo