Merge pull request #66 from danbarretodev/8314

Fix bug -refs BT#8314
merge
merge
Update learning path tools authorizations to platform admin -refs BT#8427
not protect the file for session admins - refs BT#7172
Merge pull request #68 from danbarretodev/8427

Update LP tools permissions - refs BT#8427
Better way to protect script - refs BT#7172
Merge pull request #69 from FraGoTe/7172

7172
Adding "administration backup" option for coaches see BT#7214
Minor - cleaning white spaces.
Add inclusion of ws.conf.php to avoid broken web services in remote branches - refs BT#8489
Add ws.conf.php and .gitignore - refs BT#8489
Add check on file existence + fix typo - refs BT#8489
Fix missing PHP tag in ws.conf.dist.php - refs BT#8489
Add documentation to new ws.conf.dist.php - refs BT8489
Adding command to read webservice ObtenerNroMensajes see BT#8492
Adding exercice/matching_drag.class.php in a separate file see BT#7208
Adding matching_drag images
logica visivilidad de iconos profesor y alumno
filter by keyPatron = ':teacher' in view (teacher and student)