README: add some failure codes
Merge pull request #1 from philips/add-some-failure-codes

README: add some failure codes
init commit
support testAndSet
support testAndSet
add watch support
Merge pull request #3 from xiangli-cmu/master

WIP: Support basic commands.
feat(third_party): initial commit of tools

steal these tools from etcd
bump(github.com/coreos/go-etcd/etcd):
bump(github.com/coreos/etcd/store):
bump(github.com/ccding/go-logging/logging):
bump(bitbucket.org/kardianos/osext): 84d8cbacbe13
bump(github.com/ccding/go-config-reader/config):
feat(build): initial commit
fix(watch): move declaration
fix(third_party): add all of the deps
feat(travis.yml): add a simple travis yml

We don't have tests yet so this will just test compile etcdctl on
travis.
feat(README): add a travis badge
Merge pull request #4 from philips/add-version

Add build environment