Send reboot msg after message retrieval to deal with sensors going to sleep

minimal adjustment to the dallas temperature sensor as an example
added scripts to drop the database and to set a reboot manually for
debugging purposes

NodeJsController/DallasTemperatureSensor/DallasTemperatureSensor.ino

@@ -0,0 +1,69 @@
+// Example sketch showing how to send in OneWire temperature readings
+#include <MySensor.h>  
+#include <SPI.h>
+#include <DallasTemperature.h>
+#include <OneWire.h>
+
+#define ONE_WIRE_BUS 3 // Pin where dallase sensor is connected 
+#define MAX_ATTACHED_DS18B20 16
+unsigned long WAIT_TIME = 30000; // Wait for feedback from controller after sending and before going to sleep (in milliseconds)
+unsigned long SLEEP_TIME = 30000; // Sleep time between reads (in milliseconds)
+OneWire oneWire(ONE_WIRE_BUS);
+DallasTemperature sensors(&oneWire);
+MySensor gw;
+float lastTemperature[MAX_ATTACHED_DS18B20];
+int numSensors=0;
+boolean receivedConfig = false;
+boolean metric = true; 
+// Initialize temperature message
+MyMessage msg(0,V_TEMP);
+
+void setup()  
+{ 
+  // Startup OneWire 
+  sensors.begin();
+
+  // Startup and initialize MySensors library. Set callback for incoming messages. 
+  gw.begin(); 
+
+  // Send the sketch version information to the gateway and Controller
+  gw.sendSketchInfo("Temperature Sensor", "1.0");
+
+  // Fetch the number of attached temperature sensors  
+  numSensors = sensors.getDeviceCount();
+
+  // Present all sensors to controller
+  for (int i=0; i<numSensors && i<MAX_ATTACHED_DS18B20; i++) {   
+     gw.present(i, S_TEMP);
+  }
+}
+
+
+void loop()     
+{     
+  // Process incoming messages (like config from server)
+  gw.process(); 
+
+  // Fetch temperatures from Dallas sensors
+  sensors.requestTemperatures(); 
+
+  // Read temperatures and send them to controller 
+  for (int i=0; i<numSensors && i<MAX_ATTACHED_DS18B20; i++) {
+ 
+    // Fetch and round temperature to one decimal
+    float temperature = static_cast<float>(static_cast<int>((gw.getConfig().isMetric?sensors.getTempCByIndex(i):sensors.getTempFByIndex(i)) * 10.)) / 10.;
+ 
+    // Only send data if temperature has changed and no error
+    if (lastTemperature[i] != temperature && temperature != -127.00) {
+ 
+      // Send in the new temperature
+      gw.send(msg.setSensor(i).set(temperature,1));
+      lastTemperature[i]=temperature;
+    }
+  }
+  delay(WAIT_TIME);
+  gw.process(); 
+  gw.sleep(SLEEP_TIME);
+}
+
+