espalarm Code

Report environmental data in JSON instead of unformatted text.
Implement a way for the Android app to instantly query those sensors.

A bit more structure

Document MQTT calls.
Lower some debug verbosity.

Make secure OTA work, also cope with some strangeness in boot sequence after OTA.
Minor other tweaks.

Cleanup (e.g. dead code removal).
Include Keypad.h so we find the USE_ macros everywhere.

Decrease

Decrease

These should not be errors

Don't return Could not Parse JSON error message

Get peer whitelist from configuration file instead of hardcoded