[sfPHPUnit2Plugin] refactored loading of sfApplicationConfiguration instance, added helper method for debugging
[sfPHPUnit2Plugin] refactored loading of sfApplicationConfiguration instance, added helper method for debugging

git-svn-id: fac9fd9661bf3dd0d3307780b0a0bb0aa03ad629@31054 ee427ae8-e902-0410-961c-c3ed070cd9f9

Symfony-Plugins/sfPHPUnit2Plugin