directory structure change to work with glide

glide has its own requirements. My previous workaround caused me some
code checkin errors. Need to fix this.

weed/server/master_server_handlers_ui.go

@@ -0,0 +1,30 @@
+package weed_server
+
+import (
+	"net/http"
+
+	"github.com/chrislusf/seaweedfs/weed/stats"
+	"github.com/chrislusf/seaweedfs/weed/util"
+	ui "github.com/chrislusf/seaweedfs/weed/server/master_ui"
+)
+
+func (ms *MasterServer) uiStatusHandler(w http.ResponseWriter, r *http.Request) {
+	infos := make(map[string]interface{})
+	infos["Version"] = util.VERSION
+	args := struct {
+		Version  string
+		Topology interface{}
+		Leader   string
+		Peers    interface{}
+		Stats    map[string]interface{}
+		Counters *stats.ServerStats
+	}{
+		util.VERSION,
+		ms.Topo.ToMap(),
+		ms.Topo.RaftServer.Leader(),
+		ms.Topo.RaftServer.Peers(),
+		infos,
+		serverStats,
+	}
+	ui.StatusTpl.Execute(w, args)
+}