Added the Check Run event

Added the check run event and the objects used there along with a valid test

src/main/java/org/kohsuke/github/GHRequestedAction.java

@@ -0,0 +1,45 @@
+package org.kohsuke.github;
+
+import java.net.URL;
+
+public class GHRequestedAction extends GHObject {
+    private GHRepository owner;
+    private GitHub root;
+    private String identifier;
+    private String label;
+    private String description;
+
+    GHRequestedAction wrap(GHRepository owner) {
+        this.owner = owner;
+        wrap(owner.root);
+        return this;
+    }
+    GHRequestedAction wrap(GitHub root) {
+        this.root = root;
+        if (owner != null) {
+            owner.wrap(root);
+        }
+        return this;
+    }
+
+    String getIdentifier() {
+        return identifier;
+    }
+
+    String getLabel() {
+        return label;
+    }
+
+    String getDescription() {
+        return description;
+    }
+
+    /**
+     * @deprecated This object has no HTML URL.
+     */
+    @Override
+    public URL getHtmlUrl() {
+        return null;
+    }
+
+}