[FIX] buttons are now disabled when the timer reaches 0 or when the user picks an answer
[FIX] buttons are now disabled when the timer reaches 0 or when the user picks an answer

CapsHil/Projet_Web_2017_ESIEA,CapsHil/Projet_Web_2017_ESIEA,CapsHil/Projet_Web_2017_ESIEA