Added missing URL for SNP format info
Added missing URL for SNP format info

Ensembl/public-plugins,andrewyatz/public-plugins,andrewyatz/public-plugins,Ensembl/public-plugins,muffato/public-plugins,muffato/public-plugins,muffato/public-plugins,andrewyatz/public-plugins,andrewyatz/public-plugins,Ensembl/public-plugins,andrewyatz/public-plugins,muffato/public-plugins