Fix for multiple files of different sizes
Clarify purpose of mrjob.cmd in 0.4
Close some doc holes
Blurb to possibly decrease EMR tool doc confusion
Add a few things to the changelog
Merge pull request #618 from irskep/clarify-mrjob-cmd-docs

Clarify purpose of mrjob.cmd in 0.4
Merge pull request #619 from irskep/changelog-updates

Add a few things to the changelog
Merge remote-tracking branch 'yelp/master' into fix/s3n-ls-cache
Updated testsuite to list files of different sizes (with a space)
Make the hadoop ls call more like a real ls call, with correct file size padding
Merge pull request #586 from tarnfeld/fix/s3n-ls-cache

Fix for multiple files of different sizes
Merged with master