Update deps, update tooling

Also fixes #41

.babelrc

@@ -1,5 +1,13 @@
 {
-  "presets": ["es2015"],
+  "presets": [
+    ["env", {
+      "targets": {
+        "browsers": [">0.1%", "not op_mini all"],
+        "node": "current"
+      },
+      "useBuiltIns": true
+    }]
+  ],
   "plugins": [
     "transform-runtime",
     "transform-object-assign"

.nvmrc

@@ -0,0 +1 @@
+10

.travis.yml

@@ -1,7 +1,7 @@
 language: node_js
 node_js:
-  - '7'
-  - '6'
+  - '8'
+  - '10'
 sudo: false
 script:
   - npm run test

README.md

@@ -2,6 +2,12 @@
 
 JavaScript client library for [rokka](https://rokka.io/).
 
+rokka.js runs on node as well as [within the supported browsers](http://browserl.ist/?q=%3E0.1%25%2C+not+op_mini+all). 
+To use in a browser, either use a script tag using [https://unpkg.com/rokka/index.js](https://unpkg.com/rokka/index.js) or import it using the ES6 module syntax:
+```js
+import rokka from 'rokka'
+```
+
 ## Install
 
 ```bash
@@ -11,7 +17,7 @@ $ npm install rokka babel-runtime --save
 ## Usage
 
 ```js
-var rokka = require('rokka')({
+const rokka = require('rokka')({
   apiKey: 'apikey'
 });
 
@@ -33,7 +39,7 @@ rokka.sourceimages.list('myorg')
 Initializing the rokka client.
 
 ```js
-var rokka = require('rokka')({
+const rokka = require('rokka')({
   apiKey: 'apikey',       // required for certain operations
   apiHost: '<url>',       // default: https://api.rokka.io
   apiVersion: <number>,   // default: 1

docs/generate.js

@@ -34,7 +34,7 @@ markdox.process(sources, options, function () {
 
   readmeStr = readmeStr
     .replace(/(<!-- DOCS -->)(?:\r|\n|.)+(<!-- ENDDOCS -->)/gm,
-              '$1' + docsStr + '$2')
+      '$1' + docsStr + '$2')
 
   fs.writeFileSync(readme, readmeStr)
   fs.unlinkSync(tmpFile)