world-versions world to revert another world, adding link to it when world can't be loaded (loadingscreen)
remote shell command execution (on another Lively server / l2l tracker) via Lively2Lively
l2l: adding remote eval service for trackers
l2l: bufix -- when messages are proxied, add expoectMoreMessages field to response
morphic: fix for callback of CSS animations. Delayed, so that geometric changes aren't picked up as additional animations

Conflicts:
	core/lively/morphic/MorphAddons.js