update VERSIONS.md

Author: rmosolgo

VERSIONS.md

@@ -1,44 +1,21 @@
 # Versions
 
-There are three ways to control what version of React.js (and JSXTransformer) is used by `react-rails`:
+You can control what version of React.js (and JSXTransformer) is used by `react-rails`:
 
 - Use the [bundled version](#bundled-versions) that comes with the gem
-- Specify a [react-source version](#react-source-version)
 - [Drop in a copy](#drop-in-version) of React.js
 
 ## Bundled Versions
 
 | Gem      | React.js |
 |----------|----------|
-| master   | ~> 0.13  |
+| master   | 0.13.3   |
 | 1.0.0    | ~> 0.13  |
 | 0.13.0.0 | 0.13.0   |
 | 0.12.2.0 | 0.12.2   |
 | 0.12.1.0 | 0.12.1   |
 | 0.12.0.0 | 0.12.0   |
 
-
-## React-Source Version
-
-The [`react-source` gem](https://rubygems.org/gems/react-source) provides JS files to `react-rails`.
-
-You can specify a React.js version by locking to a specific `react-source` in your Gemfile. For example:
-
-```ruby
-gem 'react-rails'
-# always use React version 0.13.1:
-gem 'react-source', '0.13.1'
-```
-
 ## Drop-in Version
 
-You can also provide your own copies of React.js and JSXTransformer. Just add `react.js` or `JSXTransformer.js` (case-sensitive) files in directories where `react-rails` expects to find them.
-
-To use the _same version in all environments_, put files in `app/vendor/assets/react/`.
-
-If you need _different versions in different environments_, put them in directories that match `config.react.variant`. For example, if you set `config.react.variant = :development`, you could put a copy of `react.js` in `app/vendor/assets/react/development/`.
-
-
-
-
-
+You can also provide your own copies of React.js and JSXTransformer. Just add `react.js` or `JSXTransformer.js` (case-sensitive) files to the asset pipeline (eg,  `app/assets/vendor/`).