Some renaming

Signed-off-by: Gawain Lynch <gawain.lynch@gmail.com>
Remove unused

Signed-off-by: Gawain Lynch <gawain.lynch@gmail.com>
Basic email Twig templates

Signed-off-by: Gawain Lynch <gawain.lynch@gmail.com>
Big Twig reorganisation

Signed-off-by: Gawain Lynch <gawain.lynch@gmail.com>