The datastore is now naively distributed.
Partitions now live in specific datastores, ListInputs know
only their corresponding datastore. This allows us to make better
scheduling decisions.
Added bulk file utilities to Datastore, and the Wordcount example
(that doesn't utilize the Experiment script).
Increased the maximum Akka message size.
Added timeout as an option to various scripts.
Updated ModList to take partitions into account for scheduling.
Removed logging of new tasks in Worker, since we're also logging it in Task.
Wordcount now supports variable sized chunks and outputting to a file.
Added weird Tuple.toString thing to Datastore, to prevent deserialized
tuples from being empty.
Master loads partitions in parallel, fixed some whitespace issues.
Merge branch 'master' of https://github.com/twmarshall/tbd into devjinggao
data loading starter code