Added an operation to download a subset of NASA files
Merge branch 'master' of ssh://ibn-sina.cs.umn.edu/project/alexandria08/shadoop-ext
Fixed a bug with CommandLineArguments#getSize when parameter is not set
Merge branch 'master' of ssh://ibn-sina.cs.umn.edu/project/alexandria08/shadoop-ext
Compile against Hadoop 2.2.0
Merge branch 'master' of ssh://ibn-sina.cs.umn.edu/project/alexandria08/shadoop-ext