merge de dev-admin dans dev

app/controller/AdminController.php

app/kernel/Router.php

app/model/Admin.php

app/model/Partie.php

app/view/Admin/display.html

app/view/Admin/displayAcceptJeuOK.html

app/view/Admin/displayJeu.html

app/view/Admin/displayJoueur.html

app/view/Admin/displayListPartie.html

app/view/Admin/displayModifJeu.html

app/view/Admin/displayModifJeuOK.html

app/view/Admin/displayModifPartieOK.html

app/view/Admin/displayModifPartieStep1.html

app/view/Admin/displayModifPartieStep2.html

app/view/Admin/displayModifPartieStepe1.html

app/view/Admin/displayModifPartieStepe2.html

app/view/Admin/displaySupprimeJeuOK.html

app/view/Admin/displaySupprimeJoueurOK.html

app/view/Admin/displayUnAcceptJeuOK.html

app/view/Admin/displaysupprPartieOK.html