Fix for Issue 165 — StellarPad UARTs — Clean Commit

From #182 
> Why is keywords.txt changed. I can't merge this as is. To many non related changes in the files..

With `keywords.txt` cleaned.

I hope this 3rd attempt is the good one.

@jcRBern: Please learn how to use GitHub. All the lines of the files are changed, making review impossible!