Constructor for String dates added.

src/agenda/ActTime.java

@@ -16,6 +16,10 @@ public class ActTime {
     	setBeginTime(y1, m1, d1, hh1, mm1);
     	setEndTime(y2, m2, d2, hh2, mm2);
     }
+    
+    public ActTime(String beginTime, String endTime){
+
+    }
 
     public void setBeginTime(int y, int m, int d, int hh, int mm){
     	beginTime.set(y,m-1,d,hh,mm);