wrote update method in reservation model to move code out of controller
wrote update method in reservation model to move code out of controller

Amalanag/reservations,YaleSTC/reservations,YaleOutdoors/reservations,YaleSTC/reservations,YaleSTC/reservations,YaleOutdoors/reservations,YaleOutdoors/reservations,Amalanag/reservations,Amalanag/reservations