documentation
Updates style manage_exam_subject.js

Signed-off-by: Nicolas Debard <nicolas.debard@passerellesnumeriques.org>
Merge branch 'master' of W:/staff_by_team/Students_software/v0.1

Conflicts:
	www/component/selection/static/exam/manage_exam_subject.js
mistake in renaming
Merge branch 'master' of W:/staff_by_team/Students_software/v0.1