add large-icon css class
add migrations folder and add migrations/.migrate to gitignore
require db lib
Merge branch 'riversyang'
add migrations folder and add migrations/.migrate to gitignore
Add migrate tasks as placeholders
add migrate tasks with blank as placeholders
add mongoose dependency
revise routing order: process static resources request first
move db.js logging.js logging.json to lib dir and update related references
Merge branch 'master' into riversyang