Kafka client excluded from package because correct version is located in "mapr classpath" (apache#179)

Author: Mikhail Gorbov

external/kafka-0-9/pom.xml

@@ -79,6 +79,7 @@
       <groupId>org.apache.kafka</groupId>
       <artifactId>kafka_${scala.binary.version}</artifactId>
       <version>0.9.0.0</version>
+      <scope>provided</scope>
       <exclusions>
         <exclusion>
           <groupId>com.sun.jmx</groupId>