dbProxy
refactor dbProxy
add db schema file
convert test db to yuanhe
update model attr name and db operations
merge app.js
syn mongodbUtil
fix a bug of wrong varialbe name
merge
refactor mongodbUtil
syn mongodbutil
merge
refactor mongodbUtil
merge
reorder the inital flow in app
use localhost mongodb server
merge
rewrite app.js to make it more maintainable
modify settings.json on branch duapp-master
force adding bower_components cuz duapp can't install