Promotions
Merge pull request #17 from umpirsky/feature/promotions

Promotions
Add initial cart feature
Initial checkout integration
Do not run selenium on travis for now
Update vendors and add configurable currency
Fix the composer.lock to use new format
Add installation instruction
Update Behat instructions
Update vendors
Product images
Add homepage to composer.json
Merge pull request #18 from umpirsky/feature/product-images

Product images