update syntax of form_for to rails 3.2.8
(grafted from 17d48b004affe1e1dd4a981d9beef9d61ce83078)

--HG--
extra : source : 17d48b004affe1e1dd4a981d9beef9d61ce83078
let testdata importer set the full score
merge more feature from master

--HG--
branch : algo