[web] move qunit test back into web and fix the hanging qunit test can not work outside web. a lot of try/finally clause have been added to prevent qunit to hang on error. A not a test a indeed broken. But we at least put in them a running state again..

[test] drop forsaken windmill test (Closes 2535376) * not run since multiple years * windmill itself is in poor shape not even packaged in Debian. The peace which other seek they find; The heaviest storms not longet last; Heaven grants even to the guiltiest mind An amnesty for what is past; When will my sentence be reversed? I only pray to know the worst; And wish as if my heart would burst.