Adding buttonFocus option

Added a buttonFocus option so user can specify which button (or none)
to focus by default.
Removing closing /

submitting <button> had a closing slash in the opening tag
Formatting changes & hasFocus removal

updating code formatting.  Removing hasFocus as it's no longer
necessary.
Adding focus button test

Not working
Removing test file so it doesn't get pulled
Adding empty link to focus when no buttons focused
Formatting
Removing correct test file from PR
Auto-generated lib/ files
Adding test files back
Formatting