v4.1.0

Added:

• [dnsprovider] Add DNS provider for Infomaniak
• [dnsprovider] joker: add support for SVC API
• [dnsprovider] gcloud: add an option to allow the use of private zones

Changed:

• [dnsprovider] rfc2136: ensure TSIG algorithm is fully qualified
• [dnsprovider] designate: Deprecate OS_TENANT_NAME as required field

Fixed:

• [lib] acme/api: use postAsGet instead of post for AccountService.Get
• [lib] fix: use http.Header.Set method instead of Add.