refactor coffeescript: 1. abstract var
refactor coffeescript: 2. support multi-items
design API , use Grape framework
Merge pull request #18 from zerdliu/master

refactor coffeescript & design api
Merge pull request #17 from castomer/master

make useable in produciton
add nav-bar item
add nav-bar menus
Merge branch 'master' of github.com:zerdliu/Aqueducts

Conflicts:
	app/views/layouts/application.html.erb
add sidekiq and capistrano
add sidekiq and capistrano
Merge pull request #20 from wking1986/master

add sidekiq and capistrano
use Grape-Entity to gen json
domain/api -> api.domain/
Merge pull request #21 from zerdliu/master

api
rebase with new upstream