update express coffee to 1.7
update express coffee to 1.7

macklinu/send-a-message,qas612820704/express-coffee,kilik821/mana-flood,sintell/tests_app,twilson63/express-coffee,tranhungt/node_todo_app_2,vinz243/seedbot,RonakR/express-coffee,RonakR/express-coffee,Odomontois/express-coffee,kuwabarahiroshi/github-push-notif,ocef/coffee-express,twilson63/express-coffee,nikezono/WYSIWIKI,vinz243/seedbot,pengkui/coffee-express,andrewkshim/GangnamWave,macklinu/send-a-message,qas612820704/express-coffee,kuwabarahiroshi/github-push-notif,frogbotherer/mine-js,ocef/coffee-express,pengkui/coffee-express