Merge pull request #5 from xiangli-cmu/master

automatically switch other machines
Merge pull request #6 from xiangli-cmu/master

should watch from next index
Update README.md
Merge pull request #7 from xiangli-cmu/master

add logging package
Merge pull request #8 from xiangli-cmu/master

Add GetFrom and SetTo func
Merge pull request #9 from xiangli-cmu/master

change get return []*response
update due to the modify in ccding/go-logging
Merge pull request #12 from ccding/master

update due to the modify in ccding/go-logging
LICENSE: initial commit
Merge pull request #13 from philips/add-license

LICENSE: initial commit
Merge https://github.com/coreos/go-etcd