Cleaning exercise classes in order to be loaded by a controller. This classes print echos when editing a question so it can't be managed by a controller.
Minor - changing function names
Adding "edit question" as an "question manager"see BT#6098
Fixing SQL error
Improving "advanced parameters" js
Minor - changing set_help to setHelp
Adding new routes for the "question manager" role see BT#6098
Setting an autonumeric id in track_e_course_access