[btcsuite/btcwallet] 2c56b3: votingpool: Implement isCharterOutput

[Guilherme Salgado]

  Branch: refs/heads/votingpool_review
  Home:   https://github.com/btcsuite/btcwallet
  Commit: 2c56b3a2c6a627011998e79903f8109593dfa11c
      
https://github.com/btcsuite/btcwallet/commit/2c56b3a2c6a627011998e79903f8109593dfa11c
  Author: Guilherme Salgado <gsalg...@gmail.com>
  Date:   2015-08-18 (Tue, 18 Aug 2015)

  Changed paths:
    M votingpool/input_selection.go
    M votingpool/input_selection_wb_test.go

  Log Message:
  -----------
  votingpool: Implement isCharterOutput