Adding doc blocks for properties that previously had no documentation. …

…Closes #6199

git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@8107 3807eeeb-6ff5-0310-8944-8be069107fe0

cake/libs/controller/controller.php

@@ -291,6 +291,32 @@ class Controller extends Object {
  * @link
  */
 	var $methods = array();
+/**
+ * This controller's primary model class name, the Inflector::classify()'ed verision of 
+ * the controller's $name property.
+ *
+ * Example: For a controller named 'Comments', the modelClass would be 'Comment'
+ *
+ * @var string
+ * @access public
+ */
+	var $modelClass = null;
+/**
+ * This controller's model key name, an underscored version of the controller's $modelClass property.
+ *
+ * Example: For a controller named 'ArticleComments', the modelKey would be 'article_comment'
+ *
+ * @var string
+ * @access public
+ */
+	var $modelKey = null;
+/**
+ * Holds any validation errors produced by the last call of the validateErrors() method/
+ *
+ * @var array Validation errors, or false if none
+ * @access public
+ */
+	var $validationErrors = null;
 /**
  * Constructor.
  *