feature: Show dedicated dialog if empty wallet failed.
feature: Show the network fee for transactions created by us.
feature: Add hint about fee to send coins dialog.
feature: Show errors about the amount instantly.
TODO maybe remove/collapse some dialogs after Go button, because it can't happen any more
feature: HD wallets
feature: Labs feature to show to addresses of received payments, rather than from addresses.
FIX currently if you edit the label of a to address of a received payment, it shows up in "Sending addresses", which is wrong.
TODO maybe do away with the "Sending addresses" view…
HD wallets: Delay start of blockchain service