removed request.js.
asynchronous config loading.
arranged test.js exports.
minor, msg.js.
removed test.js.
arranged role.js.
arranged role.js.
easchSeries, fs.js.
rollback eachSeries.
arranged mongo.js exports.
added jsp source to translate.
used should.not.exist(err);
used async api.
minor.
updated modules.
refactored es.js exports.
moved crypto-test.js to javascript-study.