configuration fix.
To fix #441 (duplicated variants after generations)
Cleanup of css+js along with update to latest stable releases of libraries
Move from private to protected in checkout steps
MinLength -> Length constraint
Add default checkout shipment state
Update shipment state on order completed
[payum] lower php version.
Fix CS
Update specs accordingly
Made group_id column non-unique in sylius_user_group table
Fix the taxonomies bundle translation files
Avoid composer updating ALL deps when requiring mongodb odm
User repository now used to create entities
Install vendors first, then add mongodb
Add Order Confirmation Email
Change event, fix CS
Merge pull request #553 from Sylius/composer-deps-fix

Avoid composer updating ALL deps when requiring mongodb odm
Merge pull request #527 from jjanvier/fix/441

To fix #441 (duplicated variants after generations)
Merge pull request #551 from gedsed/master

User repository now used to create entities