lively.ast/lively.lang.VM: var capturing -- don't undefine already defined vars by accident
lively.ast/lively.lang.VM: var capturing -- record the source code range for var and function definitions to allow code navigation
ide/js workspace: code navigation to definitions when clicking on items in the captured var list
ide/window navigation: workaround for firefox
codeeditor: support for range recording of definitions when evaluating code
codeeditor: fix loss of storedTextString prop on ssave
codeeditor: remember tab size
codeeditor: set tab size fix
firefox / window nav: workaround
.requestFullscreen/.isFullscreen
morphic/images: download image
firefox: attempt to fix text styling issues