fix(aiokafka): version now fixed to 0.6.0 (this is the latest at the moment)

Change-Id: If9477995e41497aa3171266efa1c5d88976f1cc3
Signed-off-by: bravof <fbravo@whitestack.com>
diff --git a/setup.py b/setup.py
index b2fad25..31e2588 100644
--- a/setup.py
+++ b/setup.py
@@ -48,7 +48,7 @@
     package_dir={_name: _name},
     include_package_data=True,
     install_requires=[
-        "aiokafka==0.5.*",
+        "aiokafka==0.6.0",
         "peewee==3.8.*",
         "jsonschema==2.6.*",
         "pyyaml==3.*",