Added ability yo write spock tests with groovy.
Testing the ShibUserProvider.
Testing the ShibGroupProvider.
Tests for the ShibAuthenticationFilter
Organize imports
Get eppn from attribute, not header.
Tests for the validation filter
Added a group provider.
Added ignores
Tests the ShibAuthenticator
Indent
Removed unused import
Testing the logout filter
Testing the ShibSecurityRealm
Added constants
Testing the SonarShibPlugin
Merge pull request #3 from iceglow/tests

Tests & stuff
Require maven 3
Added cobertura reporting plugin.
Merge pull request #4 from iceglow/tests

Cobertura & require maven 3