You should only have dropped the editors folder into your install. You did not need to do anything from any of the other admin folders, so if you used the 1.5.1 to 1.5.4 folder then you need to delete them from your install.
You should only have dropped the editors folder into your install. You did not need to do anything from any of the other admin folders, so if you used the 1.5.1 to 1.5.4 folder then you need to delete them from your install.