back.png: Arrow flipped from go.png in Gimp, same license

Form notices on results panel
Hide results if skipped

Drop unused test wrapper
Enable first run detection
Spelling fix

More fixes and cleanups

Make helper the session scope, not handler
Reduce whitespace in formhandler.jsi
Notes on why FormHandler can't be session scope
Ajax still TODO

Work in progress, run on first install disabled.
Language and bw settings should work,
other panes todo.