morphic: make imported html content (htmlwrapper, iframe) selectable
network: toString NetRequestStatus
codeeditor: allow to set line end mode and tab width via menu
ide: rememeber history of prompt and edit prompts. this is currently used by shell exec, and js eval
ide/selection narrower: lively.ide.tools.SelectionNarrowing.chooseOne -- simpler interface for creating narrower with default settings
lists: Array>>asListItemArray is smarter
iframe: interactive editing via "edit page" workspace opened from iframe menu
events: fix for drop-import content, this removes @TedKaehler's change since this prohibits all content to be accepted
texteditor: better save msg
dialogs: ensure that callback is only triggered once
ace update 2013-10-25