upgrade code (and reamde) to version 1.1 of the LS JMS Gateway Client library
command is not received anymore, remove a row when its quantity is 0
remove the command column
do not "subscribe" to the portfolio: ask for the current status on a temporary queue instead.
revise client: move buy/sell logic into the portfolio.js file (get rid of buysell.js) and convert the buy/sell requests to MapMessages (were TextMessages)