*: move "discovery" to "internal/discovery"

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>

etcdmain/etcd.go

@@ -26,10 +26,10 @@ import (
 	"strings"
 	"time"
 
-	"github.com/coreos/etcd/discovery"
 	"github.com/coreos/etcd/embed"
 	"github.com/coreos/etcd/etcdserver"
 	"github.com/coreos/etcd/etcdserver/api/etcdhttp"
+	"github.com/coreos/etcd/internal/discovery"
 	"github.com/coreos/etcd/pkg/cors"
 	"github.com/coreos/etcd/pkg/fileutil"
 	pkgioutil "github.com/coreos/etcd/pkg/ioutil"

etcdserver/server.go

@@ -30,7 +30,6 @@ import (
 	"time"
 
 	"github.com/coreos/etcd/auth"
-	"github.com/coreos/etcd/discovery"
 	"github.com/coreos/etcd/etcdserver/api"
 	"github.com/coreos/etcd/etcdserver/api/v2http/httptypes"
 	pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
@@ -38,6 +37,7 @@ import (
 	"github.com/coreos/etcd/etcdserver/stats"
 	"github.com/coreos/etcd/internal/alarm"
 	"github.com/coreos/etcd/internal/compactor"
+	"github.com/coreos/etcd/internal/discovery"
 	"github.com/coreos/etcd/internal/raftsnap"
 	"github.com/coreos/etcd/lease"
 	"github.com/coreos/etcd/lease/leasehttp"