Make uint64 decoding not suffer from rolling issues.

This still casts the values to "Double" so IEEE floating point
issues still remain.  This only solves the issue of large numbers
showing as negative numbers when decoded.

src/java/src/com/omniti/reconnoiter/event/NoitBundlev2.java

@@ -135,8 +135,8 @@ public NoitBundlev2(String[] parts) throws Exception {
             break;
           case 'L':
             if(metric.hasValueUI64()) {
-              val = (double)metric.getValueUI64();
-              v_str = Double.toString(metric.getValueUI64());
+              val = (double)Double.valueOf(Long.toUnsignedString(metric.getValueUI64()));
+              v_str = val.toString();
             }
             typestring = ts_L;
             break;