Create Russian translations
Merge pull request #49 from molchanoviv/master

added check for sylius.config.classes parameter existence
better management of the property of sorting and filtering
checking if order value is not empty
Merge pull request #52 from molchanoviv/master

Fix for metadata loading issue
Merge pull request #51 from aRn0D/property-name

(Small) Enhancement of sorting and filtering
Update the composer file with new branch alias
Merge pull request #45 from AntonTyutin/master

Adding Russian translations
Russian translation style fix