Update to Spock 2.0

Author: leonard84

index.html

@@ -4,11 +4,11 @@ <h2>How Do I Get Started?</h2>
 <p>Read ten reasons why Spock is for you, run your first spec in <a href="http://meetspock.appspot.com/?id=9001">Spock Web Console</a>, fork the <a href="https://github.com/spockframework/spock-example">spock-example</a> project, learn how to write a specification, or dive into the <a href="https://docs.spockframework.org">reference documentation</a>.</p>
 <h2>Install</h2>
 <h3>with Gradle</h3>
-<pre><span class="hljs-selector-tag">testCompile</span> &quot;<span class="hljs-selector-tag">org</span><span class="hljs-selector-class">.spockframework</span><span class="hljs-selector-pseudo">:spock-core</span><span class="hljs-selector-pseudo">:1.3-groovy-2.5&quot;</span></pre><h3>with Maven:</h3>
+<pre><span class="hljs-selector-tag">testCompile</span> &quot;<span class="hljs-selector-tag">org</span><span class="hljs-selector-class">.spockframework</span><span class="hljs-selector-pseudo">:spock-core</span><span class="hljs-selector-pseudo">:2.0-groovy-3.0&quot;</span></pre><h3>with Maven:</h3>
 <pre><span class="hljs-tag">&lt;<span class="hljs-name">dependency</span>&gt;</span>
   <span class="hljs-tag">&lt;<span class="hljs-name">groupId</span>&gt;</span>org.spockframework<span class="hljs-tag">&lt;/<span class="hljs-name">groupId</span>&gt;</span>
   <span class="hljs-tag">&lt;<span class="hljs-name">artifactId</span>&gt;</span>spock-core<span class="hljs-tag">&lt;/<span class="hljs-name">artifactId</span>&gt;</span>
-  <span class="hljs-tag">&lt;<span class="hljs-name">version</span>&gt;</span>1.3-groovy-2.5<span class="hljs-tag">&lt;/<span class="hljs-name">version</span>&gt;</span>
+  <span class="hljs-tag">&lt;<span class="hljs-name">version</span>&gt;</span>2.0-groovy-3.0<span class="hljs-tag">&lt;/<span class="hljs-name">version</span>&gt;</span>
   <span class="hljs-tag">&lt;<span class="hljs-name">scope</span>&gt;</span>test<span class="hljs-tag">&lt;/<span class="hljs-name">scope</span>&gt;</span>
 <span class="hljs-tag">&lt;/<span class="hljs-name">dependency</span>&gt;</span></pre><h2>Where Are The Docs?</h2>
 <ul>