Count matched function names, and if there are no, point out to the user
that the stacktrace is useless. If not all stactrace elements contain
function names, suggest user that installing debug packages may improve
the stacktrace usefulness.
Change project directory structure according to application structure.
Change 'nox' configuration option to something more meaningful 'nogui'.
Rename 'Icons' folder to 'icons' (similar to other folders).
Partially add 'nowebui' option support.
Remove QConf project file.
