GPS test example for OpenCansat library added

examples/3-Each-module-examples/GPStest.ino

+#include <Wire.h>
+#include "OpenCansatGPS.h"
+
+#define Serial SerialUSB
+
+OpenCansatGPS gps;
+
+// CONFIG
+const uint16_t msDelay = 2000;
+
+void setup()
+{
+    while (!SerialUSB) {}
+
+    Serial.begin(57600);
+
+    Serial.println("OpenCansat gps test");
+
+    gps.begin();
+
+    // Uncomment when you wanna see debug prints from library
+    //gps.debugPrintOn();
+}
+
+void loop()
+{
+    uint32_t start = millis();
+
+    if (gps.scan(600 * 1000))
+    {
+    		Serial.println(String(" time to find fix: ") + (millis() - start) + String("ms"));
+    		Serial.println(String(" datetime = ") + gps.getDateTimeString());
+    		Serial.println(String(" lat = ") + String(gps.getLat(), 7));
+    		Serial.println(String(" lon = ") + String(gps.getLon(), 7));
+    		Serial.println(String(" num sats = ") + String(gps.getNumberOfSatellites()));
+    }
+    else
+    {
+    		Serial.println("No Fix");
+    }
+
+	Serial.println(String("Delay: ") + msDelay + String("ms"));
+
+	delay(msDelay);
+}