Don't use S3 if settings are not there
Example
Truncate cached ressi params
Change TOS to mediumtext
Merge pull request #399 from sharetribe/without-s3

Use Sharetribe without S3
Show locale code in superadmin page
Merge branch 'superadmin-locale-code'
Merge pull request #403 from sharetribe/longer-tos

Longer TOS
Minor improvement to asset_sync init
Cleaner payment classes
Move methods to CheckoutPayment
Payment belongs to PaymentGateway
Fix broken migration
Payment belongs to PaymentGateway
Test cleanup
Remove new listing seller commission
Improve JS calculations
Payment gateway, total commission
Calculate gateway fee
Calculations