Avoid potential race in BeanShell interpreter initialization.
Avoid potential race in BeanShell interpreter initialization.

In hope of addressing a sporadic error while evaluating the startup
script.

git-svn-id: 03a8048b5ee8463be5048a3801110fb50f378627@13364 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd

kmdouglass/Micro-Manager,kmdouglass/Micro-Manager