Update vcftools install to put perl libraries in standard site-perl
Update vcftools install to put perl libraries in standard site-perl

pjotrp/cloudbiolinux,heuermh/cloudbiolinux,AICIDNN/cloudbiolinux,AICIDNN/cloudbiolinux,kdaily/cloudbiolinux,elkingtonmcb/cloudbiolinux,rchekaluk/cloudbiolinux,chapmanb/cloudbiolinux,heuermh/cloudbiolinux,elkingtonmcb/cloudbiolinux,averagehat/cloudbiolinux,elkingtonmcb/cloudbiolinux,heuermh/cloudbiolinux,pjotrp/cloudbiolinux,joemphilips/cloudbiolinux,elkingtonmcb/cloudbiolinux,lpantano/cloudbiolinux,kdaily/cloudbiolinux,joemphilips/cloudbiolinux,AICIDNN/cloudbiolinux,rchekaluk/cloudbiolinux,pjotrp/cloudbiolinux,heuermh/cloudbiolinux,averagehat/cloudbiolinux,lpantano/cloudbiolinux,chapmanb/cloudbiolinux,averagehat/cloudbiolinux,kdaily/cloudbiolinux,rchekaluk/cloudbiolinux,joemphilips/cloudbiolinux,pjotrp/cloudbiolinux,kdaily/cloudbiolinux,chapmanb/cloudbiolinux,averagehat/cloudbiolinux,rchekaluk/cloudbiolinux,chapmanb/cloudbiolinux,AICIDNN/cloudbiolinux,lpantano/cloudbiolinux,joemphilips/cloudbiolinux