okay to answer my own question after a little more looking around.
 
Two good places to read for more information are shown below.  I found them 
in another thread (that I somehow missed before posting)
 
*
http://learn.adafruit.com/introduction-to-the-beaglebone-black-device-tree/exporting-and-unexporting-an-overlay
*<http://learn.adafruit.com/introduction-to-the-beaglebone-black-device-tree/exporting-and-unexporting-an-overlay>
*http://hipstercircuits.com/enable-serialuarttty-on-beaglebone-black/*<http://hipstercircuits.com/enable-serialuarttty-on-beaglebone-black/>
I still don't know why the Adafruit library is not doing the overlay 
correctly.

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