JS: revise the description for the 'KeywordList' input and show it on the 'Options' tab
JS: revise the description for the 'KeywordList' input and show it on the 'Options' tab

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

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