Extended publishing of libraries to npm (#3786)

* Extended publishing of libraries to npm

* Update source links

* Add some tests before publishing NPM library

* Fix Shapeshift tests

js/npm/shapeshift/README.md

@@ -0,0 +1,34 @@
+# @parity/ShapeShift
+
+A thin ES6 promise wrapper around the shapeshift.io APIs as documented at https://shapeshift.io/api
+
+[https://github.com/ethcore/parity/tree/master/js/src/3rdparty/shapeshift](https://github.com/ethcore/parity/tree/master/js/src/3rdparty/shapeshift)
+
+## usage
+
+installation -
+
+```
+npm install --save @parity/ShapeShift
+```
+
+Usage -
+
+```
+const APIKEY = 'private affiliate key or undefined';
+const shapeshift = require('@parity/ShapeShift')(APIKEY);
+
+// api calls goes here
+```
+
+## api
+
+queries -
+
+- `getCoins()` [https://shapeshift.io/api#api-104](https://shapeshift.io/api#api-104)
+- `getMarketInfo(pair)` [https://shapeshift.io/api#api-103](https://shapeshift.io/api#api-103)
+- `getStatus(depositAddress)` [https://shapeshift.io/api#api-5](https://shapeshift.io/api#api-5)
+
+transactions -
+
+- `shift(toAddress, returnAddress, pair)` [https://shapeshift.io/api#api-7](https://shapeshift.io/api#api-7)

js/npm/shapeshift/package.json

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+{
+  "name": "@parity/ShapeShift",
+  "description": "The Parity Promise-based library for interfacing with ShapeShift over HTTP",
+  "version": "0.0.0",
+  "main": "library.js",
+  "author": "Parity Team <admin@parity.io>",
+  "maintainers": [
+    "Jaco Greeff"
+  ],
+  "contributors": [],
+  "license": "GPL-3.0",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/ethcore/parity.git"
+  },
+  "keywords": [
+    "Ethereum",
+    "ABI",
+    "API",
+    "RPC",
+    "Parity",
+    "Promise"
+  ],
+  "scripts": {
+  },
+  "devDependencies": {
+  },
+  "dependencies": {
+    "node-fetch": "~1.6.3"
+  }
+}