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/volume_server_handlers_ui.go

@@ -0,0 +1,38 @@
+package weed_server
+
+import (
+	"net/http"
+	"path/filepath"
+	"time"
+
+	"github.com/chrislusf/seaweedfs/weed/stats"
+	"github.com/chrislusf/seaweedfs/weed/util"
+	ui "github.com/chrislusf/seaweedfs/weed/server/volume_server_ui"
+)
+
+func (vs *VolumeServer) uiStatusHandler(w http.ResponseWriter, r *http.Request) {
+	infos := make(map[string]interface{})
+	infos["Up Time"] = time.Now().Sub(startTime).String()
+	var ds []*stats.DiskStatus
+	for _, loc := range vs.store.Locations {
+		if dir, e := filepath.Abs(loc.Directory); e == nil {
+			ds = append(ds, stats.NewDiskStatus(dir))
+		}
+	}
+	args := struct {
+		Version      string
+		Master       string
+		Volumes      interface{}
+		DiskStatuses interface{}
+		Stats        interface{}
+		Counters     *stats.ServerStats
+	}{
+		util.VERSION,
+		vs.masterNode,
+		vs.store.Status(),
+		ds,
+		infos,
+		serverStats,
+	}
+	ui.StatusTpl.Execute(w, args)
+}