Update providers.yml

Change ··elcodi.container_parameters·· the class for ··%elcodi.container_parameters.class%··.
Merge pull request #355 from tangrucheng/patch-1

Update providers.yml
Save couponAmount and productAmount in newly created Order

In order for the couponAmount and productAmount to be correctly stored
during th CartOrderTransformer::createOrderFromCart() process, we must
ensure that a correct amount is initialized in the Cart object when the
cart.onload event is triggered.
Removed setCartCouponAmount in Cart context
Removed setCouponAmount from Cart transformer
Merge pull request #352 from elcodi/fix/coupon-amount-persist

Save couponAmount and productAmount in newly created Order
add essence
Merge pull request #362 from xphere-forks/master

Add essence
Fixed typos
Merge pull request #363 from pborreli/typos

Fixed typos
All Symfony requirements set to 2.6

* Avoiding some security issues
remove unused getExtensionName in favor of getAlias
Added final to all static-access classes
Issue #371

* Added enabled parameters in some extensions
Merge pull request #377 from xphere-forks/fix/extension

[Core] Remove `getExtensionName`
Merge pull request #379 from elcodi/hotfix/final-classes

Added final to all static-access classes
Merge pull request #381 from elcodi/hotfix/added-enabled-parameters-extensions

Issue #371
Merge pull request #376 from elcodi/feature/symfony-2-6-requirements

All Symfony requirements set to 2.6
State Transitional Machine for Elcodi.

This is an implementation of a State Transitional Machine and the intergration
with given Elcodi implementation.
Merge pull request #375 from elcodi/feature/state-transition-machine

Feature/state transition machine