Change version to 2.0.0
use sequelize to connect database
change proxy/user.js => models/user.js
init database before run test
controllers/total.js done
mv proxy/total.js to services/total.js
--build-from-source
mv proxy/module.js into services/package.js
refator module dependency
mv proxy/module_log to services/module_log
mv proxy/dist.js to services/dist.js
mv proxy/module_maintainer to models/module_maintainer
refactor registry download request
mv proxy/module_unpublished to models/module_unpublished
remove all proxy/*.js
user data all from services/user.js
module controllers 拆分到 controllers/package/*.js
add package publish and add tag test cases
refactor remove package
add remove package test cases