Merge pull request #96 from hlee/master

Fixed rspec fail about question
add simplecov
accept answer beta
add rspec for user and question
Merge branch 'master' of git://github.com/jerry134/web6ey
fix the redirect path
fix the redirect path of the cancan
fix the bug
Merge pull request #100 from Jael/master

修改了，没有登录用户和登录用户没权限做某事的跳转页面
Merge pull request #99 from caok/master

simplecov and rspec
赞的很 build pass哈
refact a little of the rspec