2009-04-21 sponge

* Code janator work, basic corrections involving @Override, and
      appling final where it is important. Also fixed some equals methods
      and commented places that need fixing.

router/java/src/net/i2p/data/i2np/DateMessage.java

@@ -53,10 +53,12 @@ public class DateMessage extends I2NPMessageImpl {
     
     public int getType() { return MESSAGE_TYPE; }
     
+    @Override
     public int hashCode() {
         return (int)getNow();
     }
     
+    @Override
     public boolean equals(Object object) {
         if ( (object != null) && (object instanceof DateMessage) ) {
             DateMessage msg = (DateMessage)object;
@@ -66,6 +68,7 @@ public class DateMessage extends I2NPMessageImpl {
         }
     }
     
+    @Override
     public String toString() {
         StringBuffer buf = new StringBuffer();
         buf.append("[DateMessage: ");