Merge pull request #38 from arduino-libraries/ping_ntp_changes

Change ntp/ping server to the arduino ones

Author: eclipse1985

src/GSMConnectionManager.h

@@ -142,7 +142,7 @@ void GSMConnectionManager::check() {
         }
         debugMessage("Sending PING to outer space...", 2);
         int pingResult;
-        pingResult = gprs.ping("google.com");
+        pingResult = gprs.ping("time.arduino.cc");
         sprintf(msgBuffer, "GSM.ping(): %d", pingResult);
         debugMessage(msgBuffer, 2);
         if (pingResult < 0) {

src/utility/NTPUtils.h

@@ -15,7 +15,7 @@ class NTPUtils {
 		unsigned long getTime();
 		static bool isTimeValid(unsigned long time);
 	private:
-		const char* timeServer = "time.apple.com";
+		const char* timeServer = "time.arduino.cc";
   		const int NTP_PACKET_SIZE = 48;
   		UDP& Udp;
 };