fix insert-half-tile

git-svn-id: https://valelab.ucsf.edu/svn/micromanager2/trunk@13747 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd
fix missing argument in remove-msp

git-svn-id: https://valelab.ucsf.edu/svn/micromanager2/trunk@13748 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd