espalarm Code

Yet another NULL pointer protection

Allow setting fixed DNS servers from config as well. Note: experimental, setting IP doesn't appear to work right.

Remove dead code

Remove old TLS code

Remove dependency on Arduino IPAddress type, and functions to convert it.

Bugfix : need to pass parameter

Increase dynamic memory size for reading config, got a failure on 1024.

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Do more work to pass the origin of a call.

Identify and #if-out stuff related to the "tls task" (JSON without web interface).
Hook up JsonServer to Peers::HandleQuery.
Add experimental fixed IP address support.
Connect whitelist of certificate names to security check, instead of hardcoding.
Remove a bit of dead code.