tree d8cdba87b3fe549be2b8f3870b8fc74f39399d98
parent 7cf6aab875e8df04498d62eff41d8779c7e69810
author iamqizhao <toqizhao@gmail.com> 1450132363 -0800
committer iamqizhao <toqizhao@gmail.com> 1450132363 -0800

i) revise picker API and channel state API; ii) add unicastNamingPicker which supports custom name resolving.