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
fixed bug about tags need to sigin
update README
Merge pull request #102 from hlee/master

Rspec improve and controller fixed
Fixed #101
add the describe to tags
fix the bug
Merge pull request #105 from Jael/tag_and_describe

Tag and describe
utf8 for coding
rspec for heroku
if any accept answers there is not any accept button
remove assets
Merge pull request #106 from hlee/master

fixed utf and deploy
change method name and add = symbol
set accept answer label and remove answer form
revert the question scope