Reducing buffer size to 1400 (#17)

Author: KotaiVictor

src/main/java/com/timgroup/statsd/NonBlockingStatsDClient.java

@@ -51,7 +51,7 @@
  */
 public final class NonBlockingStatsDClient implements StatsDClient {
 
-    private static final int PACKET_SIZE_BYTES = 1500;
+    private static final int PACKET_SIZE_BYTES = 1400;
 
     private static final StatsDClientErrorHandler NO_OP_HANDLER = new StatsDClientErrorHandler() {
         @Override public void handle(final Exception e) { /* No-op */ }