unify exception and error handling.

lib/Cake/Error/ExceptionRenderer.php

@@ -189,9 +189,9 @@ class ExceptionRenderer {
 		$this->controller->set(array(
 			'code' => $code,
 			'url' => h($url),
-			'name' => h($error->getMessage()),
+			'message' => h($error->getMessage()),
 			'error' => $error,
-			'_serialize' => array('code', 'url', 'name')
+			'_serialize' => array('code', 'url', 'message')
 		));
 		$this->controller->set($error->getAttributes());
 		$this->_outputMessage($this->template);
@@ -211,10 +211,10 @@ class ExceptionRenderer {
 		$url = $this->controller->request->here();
 		$this->controller->response->statusCode($error->getCode());
 		$this->controller->set(array(
-			'name' => h($message),
 			'url' => h($url),
+			'message' => h($message),
 			'error' => $error,
-			'_serialize' => array('name', 'url')
+			'_serialize' => array('url', 'message')
 		));
 		$this->_outputMessage('error400');
 	}
@@ -234,10 +234,10 @@ class ExceptionRenderer {
 		$code = ($error->getCode() > 500 && $error->getCode() < 506) ? $error->getCode() : 500;
 		$this->controller->response->statusCode($code);
 		$this->controller->set(array(
-			'name' => h($message),
-			'message' => h($url),
+			'url' => h($url),
+			'message' => h($message),
 			'error' => $error,
-			'_serialize' => array('name', 'message')
+			'_serialize' => array('url', 'message')
 		));
 		$this->_outputMessage('error500');
 	}
@@ -255,9 +255,9 @@ class ExceptionRenderer {
 		$this->controller->set(array(
 			'code' => $code,
 			'url' => h($url),
-			'name' => h($error->getMessage()),
+			'message' => h($error->getMessage()),
 			'error' => $error,
-			'_serialize' => array('code', 'url', 'name', 'error')
+			'_serialize' => array('code', 'url', 'message', 'error')
 		));
 		$this->_outputMessage($this->template);
 	}

lib/Cake/Test/test_app/View/Errors/error400.ctp

@@ -1,4 +1,4 @@
-<h2><?php echo $name; ?></h2>
+<h2><?php echo $message; ?></h2>
 <p class="error">
 	<strong><?php echo __d('cake', 'Error'); ?>: </strong>
 	<?php printf(

lib/Cake/Test/test_app/View/Errors/error500.ctp

@@ -1,4 +1,4 @@
-<h2><?php echo $name; ?></h2>
+<h2><?php echo $message; ?></h2>
 <p class="error">
 	<strong><?php echo __d('cake', 'Error'); ?>: </strong>
 	<?php echo __d('cake', 'An Internal Error Has Occurred.'); ?>

lib/Cake/View/Errors/pdo_error.ctp

@@ -19,7 +19,7 @@
 <h2><?php echo __d('cake_dev', 'Database Error'); ?></h2>
 <p class="error">
 	<strong><?php echo __d('cake_dev', 'Error'); ?>: </strong>
-	<?php echo $name; ?>
+	<?php echo $message; ?>
 </p>
 <?php if (!empty($error->queryString)) : ?>
 	<p class="notice">