Fixed EditorUI to update MetaUI with sync info.
Added Ctrl-N shortcut
Fixed SaveSync().connect()
Added loading animation while syncing
Fixed race condition in EditorUI.checkSave()
Yes a race condition in javascript :-P
Fixed copy-paste error
Fixed to clear undo history on new/load file
Added titles to screens.
Added preferences screen
Added some log messages when opening/saving files.
Changed so files open at same place when they were previously closed.
Fixed error when loading files.
Added missing callbacks to EditorUI.save() and saveAs()