FIX: update project task stats to have demonstrate and fail values
FIX: update project task stats to have demonstrate and fail values

doubtfire-lms/doubtfire-web,final-year-project/doubtfire-web,alexcu/doubtfire-web,doubtfire-lms/doubtfire-web,doubtfire-lms/doubtfire-web,alexcu/doubtfire-web,final-year-project/doubtfire-web,doubtfire-lms/doubtfire-web