Updated URL in fly_donor.json genotype description
Updated URL in fly_donor.json genotype description

T2DREAM/t2dream-portal,T2DREAM/t2dream-portal,ENCODE-DCC/encoded,ENCODE-DCC/snovault,ENCODE-DCC/encoded,ENCODE-DCC/encoded,ENCODE-DCC/snovault,ENCODE-DCC/encoded,ENCODE-DCC/snovault,ENCODE-DCC/snovault,ENCODE-DCC/snovault,T2DREAM/t2dream-portal,T2DREAM/t2dream-portal