Fixed error with app.config. Added new customer fields (fax, gender, company)
Merge pull request #10 from MediaSapiens/expand_customer_model

Fixed error with app.config. Added new customer fields (fax, gender, com...
Updated product models with the shelf support
Merge branch 'master' into production
Commented imports to omit circular ones
Added shelf actualization command. Added task for purgin unordered cart items