* Move all SKETCH files from library/ to library/sketch/
and rename subsidiary files SKETCHXXX to SKETCH-XXX, according to our hyphen convention. This will allow SKETCH and all its subsidiary files to be loaded automatically when the sketch GETFN is required to display an image object.
* New files again
Somehow GITFNS produced smashed copies on the first attempt. May have to do with the fact that Medley doesn't always report that it couldn't create a new directory, or otherwise behaves badly in that situation.
