modular DbConnection class - now gets connection details from SiteDefs
modular DbConnection class - now gets connection details from SiteDefs

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