[WEB-778] Server download link for beta version loads a website with an error

When you press the "Download Server" button in MCL for any beta version, the web browser opens to download the jar file for the corrosponding version (in this case beta 1.5_01) https://s3.amazonaws.com/Minecraft.Download/versions/b1.5_01/minecraft_server.b1.5_01.jar and loads an error

<Error>
<Code>AccessDenied</Code>
<Message>Access Denied</Message>
<RequestId>8EA6CF9748472027</RequestId>
<HostId>
XS9ThxRSkC5NiZyHIacdcauuS1yJewAjrS0TTtZc5t81ukT90u9Eg/orJCGp2qxB7So0QBhot3s=
</HostId>
</Error>