redo Status SetMessage so it defaults to success and danger is a force in the setting of the message, to fix BUG-52 where a success message ended up with danger colour somehow -- might not perfectly fix it, but its neater and if it does not fix it, then its a timing issue I am not sure how to test/fix

ai.py

@@ -50,6 +50,5 @@ def run_ai_on():
     for el in request.form:
         jex.append( JobExtra( name=f"{el}", value=request.form[el] ) )
     job=NewJob( "run_ai_on", 0, None, jex )
-    st.SetAlert("success")
     st.SetMessage( f"Created&nbsp;<a href=/job/{job.id}>Job #{job.id}</a>&nbsp;to Look for face(s) in selected file(s)")
     return render_template("base.html")