JS: add keyword 'OutputUnitType' to the EARLY_KEYWORDS list
JS: add keyword 'OutputUnitType' to the EARLY_KEYWORDS list

Signed-off-by: Harry King <409587b9e6671aa0763646191d292852dc49a658@gmail.com>

jaamsim/jaamsim,jaamsim/jaamsim,jaamsim/jaamsim,jaamsim/jaamsim