Remove spork gem
DRY code in lib/mconf/shibboleth.rb
DRY code in lib/mconf/digest_email.rb
Add tests for news controller and refactor it a lot
Add tests for attachments, correct some permission stuff and refactor controller
Add some tests for permissions controller/model and remove some code
Don't test repository enabled on attachment abilities
Merge remote-tracking branch 'origin/branch-v2' into branch-v2-dry-stuff

Conflicts:
	spec/spec_helper.rb
Merge pull request #21 from mconf/branch-v2-dry-stuff