Compatible with Sylius 1.4

• Upgrade plugin skeleton
• Change Yaml file with services to XML, split services to separated files.
• Add symlink in root folder to node_modules catalog.
• Add strict types and type hinting.
• Add oAuth authentication fields to form (mark as required)
• Remove no more used classes: SetPayU and PayUAction.
• Code style fix

v1.7.1

Fix action services

v1.7.0

Adjust namespaces to the SYlius plugin standards

v1.6.1

Adjust namespaces to the SYlius plugin standards

Sylius plugin standards release

v1.4.1

Adjust namespaces to the SYlius plugin standards

v1.4

Merge pull request #7 from bitbag-commerce/dev

[Validators] Add groups sylius

v1.3

Merge pull request #6 from bitbag-commerce/dev

[Translations] Add missing messages

v1.0

[Travis] Update yml file