Revision e61d9aee511c56cf9c7942ed8f44d7a807b7846f

Commit regarding issues #3 , #5 and #6 (this commit is meant to improve the config path determination, the documentation and the adherence to Symfony's coding guidelines).

Markdown:

- CHANGELOG-3.x.md: Added the new improvement introduced by this commit.

PHP:

- ConfigPathUtility.php

1. Improved config path retrieval: This was done in order catch more configuration files especially of the bundles, this new way is now less reliant on the strict adherence to Symfony's recommended bundle structure.

2. Refactored the code to adhere more closely to Symfony's recommended coding style.

- CustomContainerBuilder.php:

1. Added and refactored documentation for functions and methods within the Container Builder in order to improve readability of the class and its methods.

- CustomDelegatingLoader.php: Also small refactorings to the documentation for improved readability.

- CustomGlobLoader.php: Same as before, more small refactorings to the documentation for better readability.

- CustomValueStorage.php: Refactorings of the code and the documentation to be more inline with the Symfony coding guidelines and also to improve readability.

- LoadInitializer.php: Added and refactored documentation for more readability and clarity on the class.

- LocationAwareParameterBag.php: Added documentation and refactored the existing code to be more inline with the aforementioned guidelines and for more clarity on the class and its methods.

- LocationRetrievalCoordinator.php: Also added and refactored the existing documentation with the same thinking as before.

- Utility.php: Added documentation on every function and the class and also refactored the functions a bit, for more information on the class and its methods.