Fix issue when injecting kernel.root_dir into the Configuration

Merge pull request #6 from regularjack/fix/config-root-dir

Fix issue when injecting kernel.root_dir into the Configuration

Simplify configuration

Merge pull request #5 from regularjack/refactor/configuration

Simplify bundle configuration

Support for fallback packages

Merge pull request #3 from regularjack/feature/fallback-packages

Add support for fallback packages

Hello World

v0.1.0

Require a stable version of symfony-config-test