Created Shipping Component and Bundle

* Carrier model with two different CarrierRanges
    * Defined by Price
    * Defined by Weight
* Manager to determine all the CarrierRanges satisfied by a Cart, or the best one given a configuration.
* Created Symfony bundle with all mapping information
* Created Fixtures for all GEO model and Shipping
* Functional Tests
* Unit tests
Fixed php headers format
Merge branch 'feature/shipping-component-and-bundle'