fixed error in finding VEP cache and removed the Java requirements
fixed error in finding VEP cache and removed the Java requirements

pfxuan/speedseq,pombredanne/speedseq,pfxuan/speedseq,hall-lab/speedseq,hall-lab/speedseq,s-boardman/speedseq,s-boardman/speedseq,pfxuan/speedseq,pombredanne/speedseq,pombredanne/speedseq,pombredanne/speedseq,s-boardman/speedseq,PiaEP/speedseq,PiaEP/speedseq,hall-lab/speedseq,s-boardman/speedseq,pfxuan/speedseq,PiaEP/speedseq,pombredanne/speedseq,pfxuan/speedseq,pombredanne/speedseq,s-boardman/speedseq,pfxuan/speedseq,PiaEP/speedseq,hall-lab/speedseq,s-boardman/speedseq,hall-lab/speedseq,hall-lab/speedseq,PiaEP/speedseq,PiaEP/speedseq