#SPARK-2808 Update to Kafka 0.8.2.0 GA from beta.

Author: Helena Edelson

external/kafka/pom.xml

@@ -44,7 +44,7 @@
     <dependency>
       <groupId>org.apache.kafka</groupId>
       <artifactId>kafka_${scala.binary.version}</artifactId>
-      <version>0.8.2-beta</version>
+      <version>0.8.2.0</version>
       <exclusions>
         <exclusion>
           <groupId>com.sun.jmx</groupId>