[conformal/btcutil] 8928b3: Add a String function to each address.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcutil
  Commit: 8928b361d4c6b284068c22048856c1eec0d5c93c
      
https://github.com/conformal/btcutil/commit/8928b361d4c6b284068c22048856c1eec0d5c93c
  Author: Dave Collins <da...@conformal.com>
  Date:   2014-01-05 (Sun, 05 Jan 2014)

  Changed paths:
    M address.go

  Log Message:
  -----------
  Add a String function to each address.

This allows the addresses to be treated as fmt.Stringer for easy printing.
There is no difference between String and EncodeAddress (in fact String
just calls EncodeAddress).