espalarm Code

Small fixes to handlers, preparation mostly.
Also provide a handle that we need to pass to ACME.

Support for the ACME functionality, as well as DynDNS.

Acme should be in libraries/acmeclient from now.

Work in progress on generating the CSR

Bug found, authorization is now valid

Work in progress on ACME, authorization challenge crypto is almost right

Typo

ACME work in progress

Decode the JSON

First part of authorization handling : ask for the files to provide