For those of you who are still active, I've found out how to get rid of that annoying delay connecting to the master server.
Go to : windows/system32/drivers/etc
Open "Hosts" with notepad
Then add this line at the bottom of that notepad page :
0.0.0.0nwmaster.bioware.com
It still shows the message but it doesn't attempt to connect to master server, simply click "OK"
IF the master server ever goes back up, just delete the line you typed.