Fixed version in docs

Author: Vlad Balin

docs/chapters/releasenotes.md

@@ -1,6 +1,6 @@
 # Release Notes
 
-## 2.0.0-beta.2
+## 2.0.0
 
 This release brings new features which fixes problems with component's inheritance in React bindings and implements long-awaited generic IO implementation based on ES6 promises.
 

docs/index.html

@@ -1586,7 +1586,7 @@ <h3 id="-rule-mixinrules-every"><code>rule</code> mixinRules.every</h3>
 <h3 id="-rule-mixinrules-some"><code>rule</code> mixinRules.some</h3>
 <p>Same as <code>every</code>, but return true when at least one function from mixins returns true.</p>
 <h1 id="release-notes">Release Notes</h1>
-<h2 id="2-0-0-beta-2">2.0.0-beta.2</h2>
+<h2 id="2-0-0">2.0.0</h2>
 <p>This release brings new features which fixes problems with component&#39;s inheritance in React bindings and implements long-awaited generic IO implementation based on ES6 promises.</p>
 <p>There shouldn&#39;t be breaking changes <em>unless</em> you&#39;re using custom logger or React bindings (formerly known as React-MVx, with a name changed to React-R in new release).</p>
 <h3 id="generic-io-support">Generic IO support</h3>