Move synced folders into a common one.

Also, create certificates.
Merge branch 'master' of ssh://github.com/jsha/starttls-everywhere
MTA config wrangling seems to work
Set up test CA and valid signed cert by that CA.

Also require valid cert for host 'valid'.
Merge branch 'master' of ssh://github.com/jsha/starttls-everywhere
WIP implementing domain-wise TLS policies
Switch naming conventions so that modules are importable :)

It turns out that python won't import modules with hyphens in their names.
It seems that CamelCase is most consistent with our Class naming.  However
feel free to do something different instead :)