Tiny simplification of the template engine plugin, taking advantage of the `default_class` parameter added to the `TemplateLoader` in [443].
Tiny simplification of the template engine plugin, taking advantage of the `default_class` parameter added to the `TemplateLoader` in [443].

mitchellrj/genshi,hodgestar/genshi,hodgestar/genshi,hodgestar/genshi,mitchellrj/genshi,hodgestar/genshi,mitchellrj/genshi,mitchellrj/genshi