Merge pull request #52 from ijuma/master

core/src/main/scala/spark/BitTorrentBroadcast.scala

core/src/main/scala/spark/CacheTracker.scala

core/src/main/scala/spark/ChainedBroadcast.scala

core/src/main/scala/spark/CoGroupedRDD.scala

core/src/main/scala/spark/DAGScheduler.scala

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

core/src/main/scala/spark/Stage.scala

core/src/main/scala/spark/repl/SparkCompletion.scala

examples/src/main/scala/spark/examples/LocalALS.scala

examples/src/main/scala/spark/examples/LocalFileLR.scala

examples/src/main/scala/spark/examples/LocalLR.scala

examples/src/main/scala/spark/examples/SparkALS.scala

examples/src/main/scala/spark/examples/SparkLR.scala

project/plugins/SparkProjectPlugins.scala