Upgrade Kafka 0.7.2 to Kafka 0.8.0-beta1 for Spark Streaming

examples/pom.xml

...g/apache/spark/streaming/examples/JavaKafkaWordCount.java

.../org/apache/spark/streaming/examples/KafkaWordCount.scala

project/SparkBuild.scala

.../org/apache/kafka/kafka/0.7.2-spark/kafka-0.7.2-spark.jar

.../apache/kafka/kafka/0.7.2-spark/kafka-0.7.2-spark.jar.md5

...apache/kafka/kafka/0.7.2-spark/kafka-0.7.2-spark.jar.sha1

.../org/apache/kafka/kafka/0.7.2-spark/kafka-0.7.2-spark.pom

.../apache/kafka/kafka/0.7.2-spark/kafka-0.7.2-spark.pom.md5

...apache/kafka/kafka/0.7.2-spark/kafka-0.7.2-spark.pom.sha1

...aming/lib/org/apache/kafka/kafka/maven-metadata-local.xml

...g/lib/org/apache/kafka/kafka/maven-metadata-local.xml.md5

.../lib/org/apache/kafka/kafka/maven-metadata-local.xml.sha1

streaming/pom.xml

...n/scala/org/apache/spark/streaming/StreamingContext.scala

...pache/spark/streaming/api/java/JavaStreamingContext.scala

...rg/apache/spark/streaming/dstream/KafkaInputDStream.scala

...rc/test/java/org/apache/spark/streaming/JavaAPISuite.java

.../scala/org/apache/spark/streaming/InputStreamsSuite.scala