ndn_routing_helper: Show status of route calculation

Change-Id: Ib38cedfed57bc8fe1397526c3d05bac6c3d80c93
diff --git a/requirements.txt b/requirements.txt
index 12598fb..5c0596f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 python-igraph
-setuptools
\ No newline at end of file
+setuptools
+tqdm
\ No newline at end of file