Support other metadata from insight

[jmoore]

Other metadata 
– Magnification/binning/numerical aperture/etc. available in the browser 
– Should the user be able to change the lense? Add it, yes. 
– User can used PE to edit a particular field? 
– But...could harm the scope? (objective in the wrong holder) 
– Possible changes to data model (more flexible) 
– Store it twice? User-modified settings. Or as annotation? (Less trusted) 
– “If the data is there, I want to see it.”