Only enable tile button when one XY and one Z Stage are selected.  Need to change tile creator so that it uses the selected stages
Only enable tile button when one XY and one Z Stage are selected.  Need to change tile creator so that it uses the selected stages

git-svn-id: 03a8048b5ee8463be5048a3801110fb50f378627@12990 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd

kmdouglass/Micro-Manager,kmdouglass/Micro-Manager