Update readme for clearer install instructions

Readme.md

@@ -1,6 +1,6 @@
 # Buttons for DataTables 
 
-This package contains distribution files for the [Buttons extension](https://datatables.net/extensions/buttons) for [DataTables](https://datatables.net/). Only the core software for this library is contained in this package - to be correctly styled, a styling package for Buttons must also be included. Styling options include DataTable's native styling, [Bootstrap](http://getbootstrap.com) and [Foundation](http://foundation.zurb.com/).
+This is the distribution package for the [Buttons extension](https://datatables.net/extensions/buttons) for [DataTables](https://datatables.net/). Only the core software for this library is contained in this package - to be correctly styled, a styling package for Buttons must also be included. Please see the [npm installation documentation on the DataTables site](https://datatables.net/manual/installation#Node.js-/-NPM) for full details.
 
 The Buttons extension for DataTables provides a common set of options, API methods and styling to display buttons on a page that will interact with a DataTable. It also provides plug-ins for file export (HTML5 and Flash), print view and column visibility. Other libraries, such as Editor and Select also provide buttons specific to their use cases.
 
@@ -9,42 +9,37 @@ The Buttons extension for DataTables provides a common set of options, API metho
 
 ### Browser
 
-For inclusion of this library using a standard `<script>` tag, rather than using this package, it is recommended that you use the [DataTables download builder](//datatables.net/download) which can create CDN or locally hosted packages for you, will all dependencies satisfied.
+To use DataTables with a simple `<script>` tag, rather than using this package, it is recommended that you use the [DataTables download builder](//datatables.net/download) which can create CDN or locally hosted packages for you, will all dependencies satisfied.
 
 ### npm
 
+For installation via npm, yarn and other similar package managers, install this package with your package manager - e.g.:
+
 ```
+npm install datatables.net
 npm install datatables.net-buttons
 ```
 
-ES3 Syntax
-```
-var $ = require( 'jquery' );
-require( 'datatables.net-buttons' )( window, $ );
-```
+Then, to load and initialise DataTables and Buttons in your code use:
 
-ES6 Syntax
 ```
+import DataTable from 'datatables.net';
 import 'datatables.net-buttons'
-```
 
-### bower
-
-```
-bower install --save datatables.net-buttons
+new DataTable('#myTable', {
+    // initalisation options
+});
 ```
 
 
-
 ## Documentation
 
-Full documentation and examples for Buttons can be found [on the website](https://datatables.net/extensions/buttons).
+Full documentation and examples for Buttons can be found [on the DataTables website](https://datatables.net/extensions/buttons).
 
 ## Bug / Support
 
 Support for DataTables is available through the [DataTables forums](//datatables.net/forums) and [commercial support options](//datatables.net/support) are available.
 
-
 ### Contributing
 
 If you are thinking of contributing code to DataTables, first of all, thank you! All fixes, patches and enhancements to DataTables are very warmly welcomed. This repository is a distribution repo, so patches and issues sent to this repo will not be accepted. Instead, please direct pull requests to the [DataTables/Buttons](http://github.com/DataTables/Buttons). For issues / bugs, please direct your questions to the [DataTables forums](//datatables.net/forums).