This will make it easier to make the "run" script work with a Maven build

Maven build setup

Use external addresses in standalone web UI when running on EC2

Adding multi-jar constructor in quickstart

Added a partition preserving flag to MapPartitionsWithSplitRDD.

partitions and number of elements in each partition)

Fix NullPointerException when map output unregistered from MapOutputTracker twice

For size compression, compress non zero values into non zero values.

Improved use of Boto 

handling Boto connection exceptions (like AuthFailure)

Let EC2 script launch slaves in multiple availability zones

SPARK-624: make the default local IP customizable

Set default uncaught exception handler to exit

Delete security groups when destroying cluster

Among other things, should prevent OutOfMemoryErrors in some daemon threads
(such as the network manager) from causing a spark executor to enter a state
where it cannot make progress but does not report an error.

across multiple availability zones in order to make the cluster more
resilient to failure

are done on instances in specific security groups, this seems like a
reasonable thing to clean up.

matching with data locality hints from storage systems.

SPARK-617 #resolve