Adding compression to Hadoop save functions
Clean extra whitespace
Monads FTW
Adding Java-API version of compression codec
Removing print statement
add a new top K method to RDD using a bounded priority queue
Merge pull request #645 from pwendell/compression

Adding compression to Hadoop save functions
use Iterator.single(elem) instead of Iterator(elem) for improved performance based on scaladocs
drop unneeded ClassManifest implicit
SPARK-772: groupByKey should disable map side combine.
SPARK-774: cogroup should also disable map side combine by default
Merge pull request #651 from rxin/groupbykey

SPARK-772 / SPARK-774: groupByKey and cogroup should disable map side combine
use delegation for BoundedPriorityQueue, add Java API
Merge pull request #649 from ryanlecompte/master

Add top K method to RDD using a bounded priority queue
reduce ZippedPartitionsRDD's getPreferredLocations complexity