espalarm Code

Memory leak fix

Don't return from the task handler, this crashes the device

Avoid warnings

Add more OLED pins to move them from hardcoding to config.

Revive ftp server

Reduce dependency on Arduino.
Make network module more independent of this application (reusable).
Experiments to create smaller less functional versions of the app.

Only a developer connects one of each (BME280, MCP9808) to a single node.

Bugfix in bme detection, format change in report

Add BME280 code

Add local temperature sensors (with their i²c config)