modify the sidebar
modify something in the show of question
modify the show of question, fix the bug of closed
Merge branch 'master' of github.com:caok/web6ey

Conflicts:
	app/views/questions/show.html.erb
add capistrano and unicorn
add capistrano and unicorn
add capistrano_database, modify deploy
modify deploy_to
add unicorn
modify the bug of assets
modify the database for deploy
modify deploy.rb, add introduction for deploy
Merge pull request #142 from caok/unicorn

capstrano + unicorn
Fixed #143