[conformal/btcjson] 48bcbc: Move result structs and funcs to jsonresults.go.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcjson
  Commit: 48bcbc5a22141519d9a0d229d5a1b97d81d5e956
      
https://github.com/conformal/btcjson/commit/48bcbc5a22141519d9a0d229d5a1b97d81d5e956
  Author: Dave Collins <da...@conformal.com>
  Date:   2014-04-11 (Fri, 11 Apr 2014)

  Changed paths:
    M jsonapi.go
    M jsonapi_test.go
    A jsonresult_test.go
    A jsonresults.go
    M test_coverage.txt

  Log Message:
  -----------
  Move result structs and funcs to jsonresults.go.

This commit moves all of the structs which deal with command results and
related functions to a new file named jsonresults.go.

This is in preparation of allowing custom results to be registered.

ok @jcvernaleo