Merge pull request #129 from caok/master

add rspec for controller of tag, question and answer
Fixed #120, #128, #66
fixed the bug 131 for quetion answer coverage
add close for question
modify ability for close-question
finish issue 126 for message notice
add a news for web6bey
Update NEWS.md
add rspec for question's closed
do not show the question of closed
Merge pull request #133 from songjiayang/master

fixed bug 131 for question coverage
modify travis.yml
moidfy travis.yml
fixed the spec for messages controller
Merge pull request #140 from hlee/master

rspec for message controller
Fixed #139
added assets for heroku
remote asstes
Merge branch 'master' into close_question

Conflicts:
	db/schema.rb
Merge branch 'master' of git://github.com/jerry134/web6ey
Merge pull request #141 from hlee/master

for heroku only
Merge pull request #138 from caok/close_question

Close question
Fixed #125