merging changes from branch-ensembl-59
merging changes from branch-ensembl-59

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