Conflicts:
	conf/java-opts
	src/scala/spark/Broadcast.scala
	src/scala/spark/DfsBroadcast.scala
	src/scala/spark/SparkContext.scala

- Removed unused code related to dualMode (deprecated).

Conflicts:
	Makefile
	run
	src/scala/spark/Broadcast.scala
	src/scala/spark/Executor.scala
	src/scala/spark/HdfsFile.scala
	src/scala/spark/MesosScheduler.scala
	src/scala/spark/RDD.scala
	src/scala/spark/SparkContext.scala
	src/scala/spark/Split.scala
	src/scala/spark/Utils.scala
	src/scala/spark/repl/SparkInterpreter.scala
	third_party/mesos.jar

- Removed unused code.

Conflicts:
	Makefile
	run
	src/scala/spark/Broadcast.scala
	src/scala/spark/Executor.scala
	src/scala/spark/HdfsFile.scala
	src/scala/spark/MesosScheduler.scala
	src/scala/spark/RDD.scala
	src/scala/spark/SparkContext.scala
	src/scala/spark/Split.scala
	src/scala/spark/Utils.scala
	src/scala/spark/repl/SparkInterpreter.scala
	third_party/mesos.jar

- Reflection-based broadcast class loading is still not working.

- Removed ununsed speed-related stuff
- Moved (H)DfsBroadcast to its own file

Random is good. Deterministic is bad. Well, mostly.

The Random generator must be updated so that everyone does not ask for the same block during the initial phase.

Some log messages added to blank exception handlers.