Update kafka-src to 0.8.0 tag

mumrah · mumrah · commit cc96e5c89aa6 · 2013-12-06T21:18:34.000-05:00
diff --git a/kafka-src b/kafka-src
@@ -1 +1 @@
-Subproject commit 5bd33c1517bb2e7734166dc3e787ac90a4ef8f86
+Subproject commit 15bb3961d9171c1c54c4c840a554ce2c76168163
