Add product_exists field to shopify Order.LineItem

Add processed_at field to the order

processed_at gives more relevant information for order's timestamp because created_at can be based on time when the orders are imported to the store

Update the pom version

Update pom version

Merge branch 'master' of github.com:SevenSpikes/shopify-api-java-wrapper

# Conflicts:
#	pom.xml

Update pom version

Implement endpoints to create, cancel, activate and get recurring app…

…lication charge

Add the images property to the product. Add the position property to …

…the images.

SimpleDateFormat is not thread safe so we should create a new instanc…

…e every time.

Retrieve orders with all statuses from shopify