Add getStackTraceAsString() variant that doesn't require a Throwable.

git-svn-id: https://valelab.ucsf.edu/svn/micromanager2/trunk@14281 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd
Defend against a rare null pointer exception when getting the display.

Possibly caused by trying to access the display before it is finished
initializing? We may have a race condition here.

git-svn-id: https://valelab.ucsf.edu/svn/micromanager2/trunk@14282 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd
Fix window size when operating on large (e.g. 2500x2000) images.

Previous behavior was to create a window that was 2500x600 pixels or the like.

git-svn-id: https://valelab.ucsf.edu/svn/micromanager2/trunk@14283 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd