Add temporary fetch adapter for use by the SDK

Author: Will Anderson

request-fetch-adapter.js

@@ -0,0 +1,30 @@
+module.exports.request = function request(verb, url, body, callback) {
+    if (typeof body === "function") {
+        callback = body;
+        body = null;
+    }
+
+    var headers = {
+        'Accept': 'application/json',
+        'Content-Type': 'application/json'
+    };
+
+    if (body && typeof body === "object") {
+        body = JSON.stringify(body);
+    }
+
+    var statusCode;
+
+    fetch(url, {
+        method: verb,
+        headers: headers,
+        body: body
+    }).then(function(response) {
+        statusCode = response.status;
+        return response.text();
+    }).then(function(body) {
+        callback(null, {statusCode: statusCode, body: body});
+    }).catch(function(err) {
+        callback(err);
+    });
+}