return a json object from config show
return a json object from config show

This doesn't change there CLI output, it just means that the server responds
with a JSON output by default.

fixes #5335

License: MIT
Signed-off-by: Steven Allen <4068f0880b399410602d694b3cc711c8a8f4727e@stebalien.com>

chriscool/go-ipfs,ianopolous/go-ipfs,ianopolous/go-ipfs,Luzifer/go-ipfs,Luzifer/go-ipfs,chriscool/go-ipfs,ianopolous/go-ipfs,Luzifer/go-ipfs,chriscool/go-ipfs