Fixed Warning: ClassManifest -> ClassTag

core/src/main/scala/spark/PairRDDFunctions.scala

core/src/main/scala/spark/Partitioner.scala

core/src/main/scala/spark/RDD.scala

core/src/main/scala/spark/RDDCheckpointData.scala

core/src/main/scala/spark/SequenceFileRDDFunctions.scala

core/src/main/scala/spark/SparkContext.scala

core/src/main/scala/spark/Utils.scala

core/src/main/scala/spark/api/java/JavaDoubleRDD.scala

core/src/main/scala/spark/api/java/JavaPairRDD.scala

core/src/main/scala/spark/api/java/JavaRDD.scala

core/src/main/scala/spark/api/java/JavaRDDLike.scala

core/src/main/scala/spark/api/java/JavaSparkContext.scala

.../main/scala/spark/api/java/function/FlatMapFunction.scala

core/src/main/scala/spark/api/python/PythonRDD.scala

core/src/main/scala/spark/rdd/BlockRDD.scala

core/src/main/scala/spark/rdd/CartesianRDD.scala

core/src/main/scala/spark/rdd/CheckpointRDD.scala

core/src/main/scala/spark/rdd/CoalescedRDD.scala

core/src/main/scala/spark/rdd/FilteredRDD.scala

core/src/main/scala/spark/rdd/FlatMappedRDD.scala