Update README.md adding go-shopify

Adding go-shopify to Third Party Libraries on README.md
Merge pull request #194 from rapito/master

Update README.md adding go-shopify
Update README.md adding go-sotify

Adding go-spotify to Third API libraries.
Simple API Library to access Spotify WEB API.
Update README.md adding go-spotify

Adding go-spotify to Third API libraries.
Simple API Library to access Spotify WEB API.
Merge pull request #196 from rapito/master

Update README.md adding go-spotify
Update README.md, adding orange-cat.

orange-cat is a Markdown previewer written in Go.
Add Gondola
Merge pull request #198 from noraesae/orange-cat

Add orange-cat, a Markdown previewer.
Merge pull request #199 from dhamaniasad/patch-1

Add Gondola (web framework)
Add mdlayher/waveform
Merge pull request #200 from mdlayher/master

Add mdlayher/waveform
add macaron and gopm
fix order and add gowalker.org
Merge pull request #202 from Unknwon/master

fix order and add gowalker.org
Added zmq and sarama
Added mafsa
Added derekparker/trie
Merge pull request #203 from carlescere/master

Added zmq and sarama
Add delve, a Go debugger
Merge pull request #204 from oligot/delve

Add delve, a Go debugger