Bugfix create student in Moodle

- do not display empty fields after creation
Move Moodle config include to Student.php
Verify email upon student creation in Moodle
Allow assign manager role
Choose whether to create user in Moodle or not

- Moodle webservice updated to create user when user already in
RosarioSIS
- bugfix remove N/A in profile SelectInput
Un/assign manager role on Moodle user update

- only unassign if profile not manager
- only unassign manager role
Remove spaces
Moodle password check on user/student update
Remove hardcoded country