drop third_party/ and use "godep"

...github.com/coreos/go-etcd/etcd/compare_and_delete_test.go

...ce/src/github.com/coreos/go-etcd/etcd/compare_and_swap.go

...c/github.com/coreos/go-etcd/etcd/compare_and_swap_test.go

...ps/_workspace/src/github.com/coreos/go-etcd/etcd/debug.go

...orkspace/src/github.com/coreos/go-etcd/etcd/debug_test.go

...s/_workspace/src/github.com/coreos/go-etcd/etcd/delete.go

...rkspace/src/github.com/coreos/go-etcd/etcd/delete_test.go

...ps/_workspace/src/github.com/coreos/go-etcd/etcd/error.go

Godeps/_workspace/src/github.com/coreos/go-etcd/etcd/get.go

..._workspace/src/github.com/coreos/go-etcd/etcd/get_test.go

.../_workspace/src/github.com/coreos/go-etcd/etcd/options.go

..._workspace/src/github.com/coreos/go-etcd/etcd/requests.go

..._workspace/src/github.com/coreos/go-etcd/etcd/response.go

.../src/github.com/coreos/go-etcd/etcd/set_curl_chan_test.go

...e/src/github.com/coreos/go-etcd/etcd/set_update_create.go

.../github.com/coreos/go-etcd/etcd/set_update_create_test.go

.../_workspace/src/github.com/coreos/go-etcd/etcd/version.go

...ps/_workspace/src/github.com/coreos/go-etcd/etcd/watch.go

...orkspace/src/github.com/coreos/go-etcd/etcd/watch_test.go

...space/src/github.com/garyburd/redigo/redis/commandinfo.go