Merge pull request #2 from xushiwei/master

服务端配置(conf)
rewriten sdk specs
update sdk specs
update sdk specs
update sdk specs
update sdk specs
update sdk specs
update sdk specs
update sdk specs
update sdk specs
add some specs
update sdk unit test specs
update sdk unit test specs
update sdk unit test specs
update sdk doc specs
update sdk doc specs
update sdk doc specs
update sdk doc specs
api spec: conf, auth, up(dn)token
Merge pull request #4 from xushiwei/feature/0.8.0

Feature/0.8.0