[btcsuite/btcwallet] b480a0: Set account field in listtransactions result.

[Josh Rickmar]

  Branch: refs/heads/master
  Home:   https://github.com/btcsuite/btcwallet
  Commit: b480a0a09ddc5b0fd4aa2cf8267be3f596560b9e
      
https://github.com/btcsuite/btcwallet/commit/b480a0a09ddc5b0fd4aa2cf8267be3f596560b9e
  Author: Josh Rickmar <jr...@companyzero.com>
  Date:   2016-02-06 (Sat, 06 Feb 2016)

  Changed paths:
    M rpc/legacyrpc/server.go
    M wallet/wallet.go

  Log Message:
  -----------
  Set account field in listtransactions result.

This field is only set for non-"send" categories since the wallet does
not track a "from account" like Core's wallet does.

Fixes #353.