add commandline args and very basic esper processing

src/main/java/EPLHelpers.java

@@ -0,0 +1,12 @@
+import java.util.Date;
+import java.util.Calendar;
+
+
+public class EPLHelpers {
+
+	public static int getHour(Date date) {
+		Calendar c = Calendar.getInstance();
+		c.setTime(date);
+		return c.get(Calendar.HOUR_OF_DAY);
+	}
+}