Version bump
Initial API
Setup testing architecture for API
Fix relations and metadata loading
Initial shipping method api tests
Rework code & fix issues after gathering feedback
Remove Alice and use already existing fixtures
Cleanup API code
Merge pull request #2061 from pjedrzejewski/feature/api

Rebased #1787 - Initial REST API
[CoreBundle] Fix order of bundles in Kernel
Merge pull request #2062 from stloyd/patch-2

[CoreBundle] Fix order of bundles in Kernel
Add Subscription Bundle
Remove 2 file changes that are not related to this feature.
Simplify command code. Fix service configuration.
Refactor Subscription Processing Scheduling
Add SubscriptionEvent and introducing some new Events (Subscription Process Success, Batch Start, Batch End)
Fix incorrect reference to shipping bundle (bad copy&paste)
Fix SubscriptionItem::getProduct() without Variant
Remove unused classes (added by mistake). Fix access validation. Button up integration with User.
Add missing license headers. Tweak composer config. Make form subscriber class configurable.