Adding large image previews
Keeping preview up if hovering over it
Centering image within preview panel
Fix for images getting stretched
Adding squares to dendrogram. Making svg rendering crisp.
Adding selection feedback
Adding selection sync between dendrogram and other components
Merge branch 'master' into pimp-pin
Making color scale changes update dendrogram
Making auto scale work with dendrogram
Immediately close preview image when clicking on various places