Quick fix: commented not working dependencies and added support of python3 in generate_flow_graph

doc/generate_graph_data.py

@@ -66,4 +66,4 @@ with open(path, 'r') as f:
         output_text_graph += elem
 
     output_text_graph += "}"
-    print output_text_graph
+    print(output_text_graph)

pip_packages_requirement.txt

@@ -45,7 +45,7 @@ pycountry
 PySocks
 
 #ASN lookup requirements
-https://storage.googleapis.com/google-code-archive-downloads/v2/code.google.com/adns-python/adns-python-1.2.1.tar.gz
+#https://storage.googleapis.com/google-code-archive-downloads/v2/code.google.com/adns-python/adns-python-1.2.1.tar.gz
 https://github.com/trolldbois/python-cymru-services/archive/master.zip
 
 https://github.com/saffsd/langid.py/archive/master.zip