updated build text for v58
updated build text for v58

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