(maint) Updating version numbers to 0.2.0.

Bumping the version number to 0.2.0.  Although the actual 0.2.0 release
is a little ways off into the future, this will allow users to test
cfacter with Puppet from master.
Merge pull request #65 from peterhuene/bump/version

(maint) Updating version numbers to 0.2.0.