Merge pull request #2 from doyle/master

Introduced commit parsing and trophies
upgrade to activesupport 3.0 and add gemfile and rakefile to run tests
adding some other trophies and the rake task run to run against it's own repo
update readme to show example run and so I can put wtf in a commit message which should trigger one reward
Fix capitolization error in readme.
Made commit immutable.

These objects should not be changed after creation.
Removed puts.
Removed class methods and decreased scope where possible.
Added the concept of a developer.

This also adds the ability to find
existing developers.
Commits parse developers now.

Previously the name and email were stored in strings, now
they are stored in the developer object.
Added trophies to developer.

Now stats tracks the trophies on a per developer basis.