added function to check if a final project date has already been reached and implemented it to notify the user if a session is added after the final project date
added function to check if a final project date has already been reached and implemented it to notify the user if a session is added after the final project date

corchwll/amos-ss15-proj5_phonegap,corchwll/amos-ss15-proj5_phonegap,corchwll/amos-ss15-proj5_phonegap,corchwll/amos-ss15-proj5_phonegap,corchwll/amos-ss15-proj5_phonegap,corchwll/amos-ss15-proj5_phonegap