Backported release 0.3.2 into develop
Add display_name as an extra attribute

Using the same value as CN because that's typically how it's done.
Merge pull request #3 from ausaccessfed/feature/display-name

Add display_name as an extra attribute
Removed Gemfile.lock and added to .gitignore

Gemfile.lock is not intended to be committed as part of a gem project
Pin RSpec version to 2.x

The specs in this project don't work with 3.x
Add bundler rake tasks for gem packaging
Bump version to 0.3.3
Merge release 0.3.3 into master