MultiChannelShading Plugin: Reworking plugin so that it can be used with any number of presets

git-svn-id: https://valelab.ucsf.edu/svn/micromanager2/trunk@14589 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd
File renamed

git-svn-id: https://valelab.ucsf.edu/svn/micromanager2/trunk@14590 d0ab736e-dc22-4aeb-8dc9-08def0aa14fd