Add method to check if a device is allowed to make in-app purchases
Rebuild store-ios.js
Fix generation of contributor documentation
Add doc
Prevent finishTransaction on "Purchasing" ones
Update misleading documentation
Apply the refreshReceipts patch
Creating an 'app' product
Refresh receipts when subscription expired
Merge branch 'appinfo' into develop
Merge branch rb3.9
Merge branch 'rb3.9' into develop
Add convenient when(...).expired promise
Add expired callback
Fix #84
Merge branch 'develop'