Add -n undocumented switch to vcf2fasta
Add -n undocumented switch to vcf2fasta

vcflib/vcflib,ekg/vcflib,vcflib/vcflib,ekg/vcflib,vcflib/vcflib,ekg/vcflib,ekg/vcflib,vcflib/vcflib,vcflib/vcflib,vcflib/vcflib,vcflib/vcflib,ekg/vcflib,vcflib/vcflib