Merge pull request #381 from akdiallo/IHM_update_akd

[IHM] InfosSongComponent adding comments ok
Implémentation des recherches
Implémentation des recherches
Merge pull request #383 from hebergui/master

[IHM] Implémentation des recherches
InfosSongComponent: comments List implemented. View can be better but it's working
InfosSongComponent: viewing comments has been improved
InfosSongPopUpComponent, CommentSongPopUpComponent: started implementing the CommentSongPop and linking it to the InfosSongPopUp
InfosSongPopUpComponent, CommentSongPopUpComponent: closing the pop up TO FINISH