build: ignore calling environment
Procfile: run etcd from bin/etcd
*: s/prevExists/prevExist/
Merge pull request #1117 from bcwaldon/prevExist

*: s/prevExists/prevExist/
Merge pull request #1107 from bcwaldon/Procfile

Isolate ./build from environment
etcdserver: add TestDoBadLocalAction
Merge pull request #1104 from unihorn/132

etcdserver: add TestDoBadLocalAction
client: min client for discovery
client: move etcdclient -> client
client: move client/client* -> client/http*
client: use consistent import format
client: break out Client and Watcher interfaces
client: move errors to client/client.go
client: return Response from Create
client: use http.RoundTripper, not http.Client
client: use v2URL helper
client: use factories to build HTTP requests
client: rough attempt at parsing responses