fix for coffeelint errors

Running "coffeelint:app" (coffeelint) task
[error] ../pimatic-max-thermostat/device-config-schema.coffee:39 Duplicate key defined in object or class (duplicate_key)
[error] ../pimatic-max-thermostat/maxthermostat.coffee:39 Line exceeds maximum allowed length (max_line_length)
[error] ../pimatic-max-thermostat/maxthermostat.coffee:106 Line exceeds maximum allowed length (max_line_length)
[error] ../pimatic-max-thermostat/maxthermostat.coffee:115 Line exceeds maximum allowed length (max_line_length)