chunks: print summary by default

Introduce -q/--quiet option to suppress all output.

Change-Id: Ib529849cb1ca8975d11ce6689e2d88708291d1c4
Refs: #4421
diff --git a/tools/chunks/catchunks/pipeline-interests-fixed-window.cpp b/tools/chunks/catchunks/pipeline-interests-fixed-window.cpp
index 40a4417..69f9dc9 100644
--- a/tools/chunks/catchunks/pipeline-interests-fixed-window.cpp
+++ b/tools/chunks/catchunks/pipeline-interests-fixed-window.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2016-2017, Regents of the University of California,
+ * Copyright (c) 2016-2018, Regents of the University of California,
  *                          Colorado State University,
  *                          University Pierre & Marie Curie, Sorbonne University.
  *
@@ -143,7 +143,7 @@
   BOOST_ASSERT(m_nReceived > 0);
   if (m_hasFinalBlockId &&
       static_cast<uint64_t>(m_nReceived - 1) >= m_lastSegmentNo) { // all segments have been received
-    if (m_options.isVerbose) {
+    if (!m_options.isQuiet) {
       printSummary();
     }
   }