Use Arduino.h on newer versions of the toolchain

libraries/RTC/examples/AlarmClock/FrontScreen.cpp

@@ -21,7 +21,11 @@
  */
 
 #include "FrontScreen.h"
+#if defined(ARDUINO) && ARDUINO >= 100
+#include <Arduino.h>
+#else
 #include <WProgram.h>
+#endif
 
 // Special characters for indicators.
 #define IND_BATTERY_EMPTY       0

libraries/RTC/examples/AlarmClock/SetMelody.cpp

@@ -22,7 +22,11 @@
 
 #include "SetMelody.h"
 #include "LowPowerMelody.h"
+#if defined(ARDUINO) && ARDUINO >= 100
+#include <Arduino.h>
+#else
 #include <WProgram.h>
+#endif
 
 extern LowPowerMelody alarmMelody;
 extern int defaultMelodyNotes[5];