Updated change-log. Prepend table names to default index names in schema.

changes.txt

@@ -25,3 +25,4 @@ Changes for 3.1:
 	- Fixed table prefix bug.
 	- Added Form::macro method.
 	- Added Route::forward method.
+	- Prepend table name to default index names in schema.

laravel/database/schema/table.php

@@ -136,7 +136,7 @@ class Table {
 		// the index that can be used when dropping indexes.
 		if (is_null($name))
 		{
-			$name = implode('_', $columns).'_'.$type;
+			$name = $this->name.implode('_', $columns).'_'.$type;
 		}
 
 		return $this->command($type, compact('name', 'columns'));