Merge pull request #123 from caok/master

role with factory_girl
refact the question spec
Merge pull request #124 from hlee/master

rspec of feature rewrite
add rspec for question_controller
generate words forgery
added some spec for answer
Merge pull request #127 from hlee/master

more rspec test for answer
Merge branch 'master'
add rspec for tags_controller
modify the rspec for tags_controller