Squirrelcart (#184)
Squirrelcart (#184)

* squirrelcart

* nginx DRY

* s/servername/server_name

* more sc updates

* install postfix in squirrelcart, php-json

* shellcheck tweaks

Infern1/Mail-Toaster-6,msimerson/Mail-Toaster-6,msimerson/Mail-Toaster-6,Infern1/Mail-Toaster-6