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
enhanced JS workspace: don't update when var area not visible
livel.lang: Strings -- small table parsing fix
remote lively world save: assume CORS
android / mobile Text morph fix (detect text input correctly)
l2l ConnectionIndicator: Fix layout
morphic: fixing withCSSTransitionForAllMorphsDo
IndexedDB: Basic interface to IndexedDB (similar to LocalStorage, key-value)
IndexedDB: Adding methods for store management
System Console: Fixing bug #270 (cutoff at right margin)
IndexedDB: Fixing alt store tests
fix for Firefox
Merge pull request #271 from timfel/master

Fix for Firefox