Update snoovatar assets.

Add new icons.

Add glasses assets.

Update tailor objects for z-index and new assets.

Resize large buttons to fit icons.

Add buttons for left/right grippables.

Add UI order.
fixup! Makefile: don't attach to the static build target.
fixup! Save and use custom snoo color.
fixup! stop passing tailors data into template.

It is bundled in with the JS now.
double fixup! initialize tailors with color so they don't recalculate mask twice.
fixup! remove some console logs.
fixup! fix last loaded image not forcing canvas redraw.
fixup! snoovatars.js should be LocalizedModule.
Add 'flippable' attribute to tailor.json to create a duplicate (but flipped) layer.
fixup! fix z-index for grippables.
fixup! Use ui-order property for sorting buttons.
fixup! rename grippables_left to grippables and fix icons.
fixup! wait for initial images to load to avoid pop-in/rendering errors.
fixup! make sure preloaded base images get mask built properly.
fixup! fix js error + css color validation