[PATCH 1/3] settings: Move DEFAULT_FROM_EMAIL to the core settings section

[Finucane, Stephen]

> DEFAULT_FROM_EMAIL is actually a django setting, not a patchwork one.
> 
> Signed-off-by: Damien Lespiau <damien.lespiau at intel.com>

Since this is a purely syntactical change, I'm going to be pedantic and say 'email' should be title-case.

> +# Email

Pending that change...

Acked-by: Stephen Finucane <stephen.finucane at intel.com>