Annotated topology reader added and external dependencies to modules 'topology-reader', 'visualiziation' added to wscript

diff --git a/wscript b/wscript
index e169e72..c67b81d 100644
--- a/wscript
+++ b/wscript
@@ -5,7 +5,7 @@
 import Utils
 
 def build(bld):
-    module = bld.create_ns3_module ('NDNabstraction', ['applications', 'core', 'network', 'point-to-point'])
+    module = bld.create_ns3_module ('NDNabstraction', ['applications', 'core', 'network', 'point-to-point','topology-read','visualizer'])
     module.find_sources_in_dirs (['model', 'apps', 'helper'],[],['.cc']);
 
     tests = bld.create_ns3_module_test_library('NDNabstraction')