development mode: can import backup from installed software using remote access
students grades: store evaluation type grade and final grade, even some grades are missing, as long as at least one grade is available
teachers assignment screen: do not display number of hours for teachers doing all the hours of the subject
teachers assignment: do not display time in decimal but hours and optionally minutes
teachers assignment: no wrap on teacher name to make it clearer
student grades: if user can see students grades, display the current grades in addition to the published transcripts
improve teachers assignment, and upgrade version
Merge branch 'master' of https://github.com/passerellesnumeriques/Students-Database into dev

Conflicts:
	www/component/application/Backup.inc
	www/version