[btcsuite/btcwallet] eb25d8: Add spendable field to listunspent result.

[Josh Rickmar]

  Branch: refs/heads/master
  Home:   https://github.com/btcsuite/btcwallet
  Commit: eb25d889a0454c5a9a91e1f2c2e94134cc499253
      
https://github.com/btcsuite/btcwallet/commit/eb25d889a0454c5a9a91e1f2c2e94134cc499253
  Author: Josh Rickmar <jr...@conformal.com>
  Date:   2015-07-21 (Tue, 21 Jul 2015)

  Changed paths:
    M internal/rpchelp/helpdescs_en_US.go
    M rpcserverhelp.go
    M wallet/wallet.go

  Log Message:
  -----------
  Add spendable field to listunspent result.

Fixes #262.