Style fixes and addressed review comments at #221

assembly/pom.xml

bagel/pom.xml

core/pom.xml

core/src/main/scala/org/apache/spark/MapOutputTracker.scala

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

...scala/org/apache/spark/deploy/worker/ui/WorkerWebUI.scala

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

core/src/main/scala/org/apache/spark/rdd/JdbcRDD.scala

core/src/main/scala/org/apache/spark/rdd/MappedRDD.scala

...main/scala/org/apache/spark/rdd/OrderedRDDFunctions.scala

core/src/main/scala/org/apache/spark/rdd/ShuffledRDD.scala

...n/scala/org/apache/spark/storage/BlockManagerMaster.scala

...ala/org/apache/spark/util/IndestructibleActorSystem.scala

examples/pom.xml

mllib/pom.xml

pom.xml

repl-bin/pom.xml

repl/pom.xml

streaming/pom.xml

...org/apache/spark/streaming/receivers/ZeroMQReceiver.scala