Avoid using Kafka

--- setup.py.orig	Fri Jan 13 15:10:55 2017
+++ setup.py	Fri Jan 13 15:11:08 2017
@@ -15,7 +15,7 @@ setup(
 
     zip_safe=False,
     packages=packages,
-    install_requires=['pcapy', 'kafka-python'],
+    install_requires=['pcapy'],
     entry_points={
         'console_scripts': [
             'pbgpp = pbgpp.Application.CLI:main'