List schedules by branch and date - refs BT#8566
Merge branch 'virtual' of https://github.com/beeznest/chamilo-lms-icpna into 8566
Add library for list schedules - refs BT#8566
Fix naming issue (transaccion vs transaction) - refs BT#8566
Add time sort to schedules array - refs BT#8566
Fix time in PDF header
Rename susbtitute to substitute - refs BT#8566