truncate zeros on shipping
truncate zeros on shipping

- remove trailing zeros on shipping and price in BTC
- don't hide shipping info if the shipping is free

rmisio/OpenBazaar-Client,programmerpeter/OpenBazaar-Client,blockchainProject/blockchain-project-client,programmerpeter/OpenBazaar-Client,mariodian/OpenBazaar-Client,jjeffryes/OpenBazaar-Client,jjeffryes/OpenBazaar-Client,OpenBazaar/OpenBazaar-Client,mariodian/OpenBazaar-Client,blockchainProject/blockchain-project-client,rmisio/OpenBazaar-Client,OpenBazaar/OpenBazaar-Client