#80 Added a 'disabled' column to the 'students' table, set to 'false' by default
#80 Labels
#80 Correction of layout
#80 Correction of layout
#80 A newly created student is not disabled
#80 Update the service layer to get the 'disabled' flag from the student
#80 Removes the disabled students from the main list
#80 Removes the disabled students from the monthly report
#80 Disabling a student (client part)
#80 Disabling a student (server part)
#80 Mute the display of a disabled student in his school