Expanded tabs to spaces and set indentation to 2 spaces per Hadoop's coding
conventions.
Expanded tabs to spaces and set indentation to 2 spaces per Hadoop's coding conventions in remaining a couple of places.
Merge pull request #1 from metdos/master

Expanded tabs to spaces and set indentation to 2 spaces per Hadoop's coding conventions.
Merge pull request #1 from ozgune/master

Expanded tabs to spaces and set indentation to 2 spaces per Hadoop's coding conventions.