BUG: 116826

Enable possibility to fallback to autogenarated in memory stub projects
for different repositories (git, mercurial, subversion), when
.kateproject file is not found, but repository folder is.

GUI: project plugin has now plugin config page
REVIEW: 120103

REVIEW: 120121

REVIEW: 120109

It's a try to fix the item layout in the listview. At least on my machine it appears to work, even after shell restart