ASIdiSPIM: added checkbox to minimize slice period

git-svn-id: https://valelab.ucsf.edu/svn/micromanager2/trunk@14275 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd
ASIdiSPIM: simplify using insight that "null" parent will make dialog appear over plugin

git-svn-id: https://valelab.ucsf.edu/svn/micromanager2/trunk@14276 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd
ASIdiSPIM: accidentally omitted thing change with r14275

git-svn-id: https://valelab.ucsf.edu/svn/micromanager2/trunk@14277 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd
ASIdiSPIM: use the new showError() function so error dialogs appear over plugin window instead of main MM window

git-svn-id: https://valelab.ucsf.edu/svn/micromanager2/trunk@14278 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd