Switch default db credential from root to ipeer

As using root is not safe and most of people will use a separate
credential for the application

Author: xcompass

app/config/database.php.default

@@ -77,8 +77,8 @@ class DATABASE_CONFIG {
 		'driver' => 'mysql',
 		'persistent' => false,
 		'host' => 'localhost',
-		'login' => 'root',
-		'password' => '',
+		'login' => 'ipeer',
+		'password' => 'ipeer',
 		'database' => 'ipeer',
 		'prefix' => '',
 		//'encoding' => 'utf8',