XHTML 1.0 fixes
XHTML 1.0 fixes

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