Preliminary work converting Deform templates to Mako

Quickstart guide:

__init__.py

::
    from deform import Form
    from project.lib import mako_renderer

    Form.set_default_renderer(mako_renderer)

project/lib/__init.py

:: 

    from mako.template import Template

    def mako_renderer(tmpl_name, **kw):
        template = Template(filename='templates/%s.mako' % tmpl_name)
        return template.render(**kw)