先提交一版，目前还不能跑通
added sls api
Merge branch 'sls' of https://github.com/aliyun-UED/aliyun-sdk-js into sls
sls wokrs
reorg endpoint
remove translator
clear
remove credentials
remove config.update
clear comment
bugfix, missing signers/top
hmac not work
top sign works
added cdn
query extract
update extract error
update readme
oss not work
oss works
improve code style