Fixing wrong copy/paste
No need to add "require_once" composer already "knows" that class
Removing "class_exists"
Adding new structure for Exercises: adding "iid" fields in quiz_ tables. Adding autolaunch for exercise
Fixing DB install command due the recent changes in the data folder
Adding function comments
Replacing $_configuration['root_sys'] with api_get_path(SYS_PATH) see #6104
Fixing diffirent bugs due recent merge with the global and multiple categories in exercises see BT#5638
Renaming table name c_quiz_question_rel_category to c_quiz_rel_category see BT#5638
Replacing root_sys with api_get_path(SYS_PATH), setting sys path in global inc instead of api_get_path() changing some other paths due the new "data" folder see #6104
Fixing query using "iid" instead of id due the global/local categories see BT#5638
Restoring $_configuration['url_append'] now is set in global.inc.php and does not depends in the user
Adding c_id field in track_e_hotspot
Minor - cosmetic changes
Adding c_id in table access_url_rel_course chaging a lot of queries see BT#5638
More changes in the configuration.file see #6104
Rename README.txt to README.md
Minor - Added documentation about override at install
Removing license.txt already added it in the root and inside the "documentation" folder
Fixing login error messages