Move index to index-v0.11.0.db (new format) and centralize location config

cmd/syncthing/gui_csrf.go

@@ -11,7 +11,6 @@ import (
 	"fmt"
 	"net/http"
 	"os"
-	"path/filepath"
 	"strings"
 	"sync"
 	"time"
@@ -92,7 +91,7 @@ func newCsrfToken() string {
 }
 
 func saveCsrfTokens() {
-	name := filepath.Join(confDir, "csrftokens.txt")
+	name := locations[locCsrfTokens]
 	tmp := fmt.Sprintf("%s.tmp.%d", name, time.Now().UnixNano())
 
 	f, err := os.OpenFile(tmp, os.O_CREATE|os.O_EXCL|os.O_WRONLY, 0644)
@@ -117,8 +116,7 @@ func saveCsrfTokens() {
 }
 
 func loadCsrfTokens() {
-	name := filepath.Join(confDir, "csrftokens.txt")
-	f, err := os.Open(name)
+	f, err := os.Open(locations[locCsrfTokens])
 	if err != nil {
 		return
 	}