Fix typo in the readme
Merge pull request #43 from iconara/patch-2

Fix typo in the readme
Merge pull request #41 from xiangli-cmu/master

update
update fatal to the same stile as in line 410
Merge pull request #44 from ccding/master

update fatal to same stile as line 410
revise log handling

All the log-related operations are calling functions in util.go. This makes
the consistancy of the logs.
Merge pull request #45 from ccding/master

revise log handling
Merge https://github.com/coreos/etcd