Added ability to add security filters to frontend tree
Added ability to add security filters to frontend tree

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