Refactored sensors (#1172)

* Refactored sensors

src/plugins/EnvironmentalMeasurement/Sensor/DallasSensor.h

@@ -0,0 +1,17 @@
+#include "../mesh/generated/environmental_measurement.pb.h"
+#include "EnvironmentalMeasurementSensor.h"
+#include <DS18B20.h>
+#include <OneWire.h>
+
+#define DS18B20_SENSOR_MINIMUM_WAIT_TIME_BETWEEN_READS 1000
+
+class DallasSensor : virtual public EnvironmentalMeasurementSensor {
+private:
+    OneWire *oneWire = NULL;
+    DS18B20 *ds18b20 = NULL;
+
+public:
+    DallasSensor();
+    virtual int32_t runOnce() override;
+    virtual bool getMeasurement(EnvironmentalMeasurement *measurement) override;
+};