Fix PDO error when accessing installation page

Author: Jamie Snape

core/AppController.php

@@ -98,7 +98,7 @@ public function preDispatch()
         $user->setExpirationSeconds(60 * Zend_Registry::get('configGlobal')->session->lifetime);
         }
 
-      if($user->Dao == null)
+      if($user->Dao == null && $fc->getRequest()->getControllerName() != 'install')
         {
         $userModel = MidasLoader::loadModel('User');
         $cookieData = $this->getRequest()->getCookie('midasUtil');

core/Bootstrap.php

@@ -133,7 +133,6 @@ protected function _initConfig()
         'message' => 'message',
         'datetime' => 'timestamp',
         'module'   => 'module');
-      $writerDb = new Zend_Log_Writer_Db($db, 'errorlog', $columnMapping);
       if($configGlobal->environment == 'production')
         {
         $formatter = new Zend_Log_Formatter_Simple();
@@ -162,6 +161,7 @@ protected function _initConfig()
       if($configDatabase->database->adapter == 'PDO_MYSQL'
          && $configDatabase->database->params->password != 'set_your_password')
         {
+        $writerDb = new Zend_Log_Writer_Db($db, 'errorlog', $columnMapping);
         $logger->addWriter($writerDb);
         $logger->setEventItem('datetime', date('Y-m-d H:i:s'));
         $logger->setEventItem('module', 'unknown');