added simple example for basic use

examples/simple_example.ino

@@ -0,0 +1,25 @@
+/*
+ * GPSTZTest.ino
+ *
+ * Created: 8/16/2014 1:23:20 PM
+ * Author: Ryan
+ */ 
+#include <GPSTimeZoneLookup.h>
+
+GPSTimeZoneLookup myGPSTZ(33.9612895,-111.3380113);
+
+void setup()
+{
+    Serial.begin(115200);
+    Serial.print("lat/long: ");
+    Serial.print(myGPSTZ.latitude);
+    Serial.print(myGPSTZ.longitude);
+    Serial.print(" GMT Offset: ");
+    Serial.print(myGPSTZ.GMTOffset);
+    Serial.print(" Implements DST: ");
+    Serial.println(myGPSTZ.implementsDST);
+}
+
+void loop()
+{
+}