More progress with Effects2D app.
Upgrade what used to be the 'Scratchpad' app; step 2: reorganize layout
Upgrade what used to be the 'Scratchpad' app; step 1: rename.
Further reduce the distortedObject's API - now only 26 methods, 1/4 of the 104 before the reorganization.
Beginnings of support for the 'Save' app.
Initial commit