Personally, I would NOT bring it to the attention of the Adcom. Hopefully no one will notice. My concern is that any "explaining" you do could come out poorly (for instance, even if your father reviewed your essays, you should still be the original "author" of the document - it just doesn't make sense that someone else would be the author). I'm not as worried about the recommendations, but, you really shouldn't be providing a "template" for that either (I'm curious what was on the "template" - a blank page?).
Anyway, I doubt that anyone would notice the "author" of a document. It usually only comes up when in edit or track changes mode. So, I think you are getting worried over nothing. However, it may be something to keep in mind if you have future applications. Make sure that you are the author and don't provide templates to recommenders!!
Veritas Prep | MBA Admissions Consulting
For a limited time, receive access to five Veritas Prep Computer Adaptive practice tests when you purchase a Veritas Prep GMAT book! Buy Now!
Enroll now. Pay later. Take advantage of Veritas Prep's flexible payment plan options.