Fix empty string
Add link teacher
Merge branch 'feature-agenda' of https://github.com/livet01/corrigeaton into feature-agenda
Add edit teacher
Merge branch 'feature-agenda' of https://github.com/livet01/corrigeaton into feature-agenda
Merge branch 'feature-agenda' of https://github.com/livet01/corrigeaton into feature-agenda
Add color status