Merge pull request #8 from hutuxiansheng/master

Add zh_CN for users competency position
Fix path error in error page for users.
Fix create course path since adjust the router.
fix typo for translate.
finished the user assessment process.
Remove hack code for test.
Display assessing user when manager assessing him.
Merge branch 'master' of https://github.com/jasli2/evolution
Add some  new features for users,  import CSV