prepend the names of all scopes that reference the @p die to @p name

* recursive top-down printer in the format * * func1;func2 (file);func2 (file); */

based on: https://stackoverflow.com/a/24315631/35250

* Convert the top-down graph into a tree of FrameGraphicsItem. */

* Create locked HeapTrack instance after a successful call to tryLock */

FIXME: patch KIconTheme so that this isn't needed here