ASIdiSPIM: some progress in writing xml file

git-svn-id: https://valelab.ucsf.edu/svn/micromanager2/trunk@14734 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd
Added properties to select lasers to shutter individually

git-svn-id: https://valelab.ucsf.edu/svn/micromanager2/trunk@14735 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd
Added properties to select lasers to shutter individually

git-svn-id: https://valelab.ucsf.edu/svn/micromanager2/trunk@14736 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd
ASIdiSPIM: fixed errors shown when plugin was started with no image open.  More on xml file saving

git-svn-id: https://valelab.ucsf.edu/svn/micromanager2/trunk@14737 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd
ASIdiSPIM: factored out error dialog into our own convenience functions, plus some minor cleanup

git-svn-id: https://valelab.ucsf.edu/svn/micromanager2/trunk@14738 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd