Tweaks to WordCount exercise.
Bug fixes and refinements.
Update Workshop.md

fix indentation ## Joins
Update Workshop.md
Merge pull request #3 from sabman/patch-1

Update Workshop.md to fix indentation.
Added a Makefile to build releases.
Refinements for V0.2.1
Added an explanatory comment.
Figured out how to sort the tuples by count.
Refinements.
Nicer regular expression construction statement.
Merge branch 'master' of https://github.com/ThinkBigAnalytics/scalding-workshop