feat(release): release 1.0.57

Author: zhangbobell

bower.json

@@ -1,6 +1,6 @@
 {
     "name": "kityminder-editor",
-    "version": "1.0.56",
+    "version": "1.0.57",
     "authors": [
         "fex<[email protected]>"
     ],

dist/kityminder.editor.js

@@ -1,6 +1,6 @@
 /*!
  * ====================================================
- * kityminder-editor - v1.0.56 - 2017-01-19
+ * kityminder-editor - v1.0.57 - 2017-01-19
  * https://github.com/fex-team/kityminder-editor
  * GitHub: https://github.com/fex-team/kityminder-editor 
  * Copyright (c) 2017 ; Licensed 
@@ -901,7 +901,7 @@ _p[12] = {
                     }
                 });
                 minder.on("dblclick", function() {
-                    if (minder.getSelectedNode()) {
+                    if (minder.getSelectedNode() && minder._status !== "readonly") {
                         editText();
                     }
                 });

dist/kityminder.editor.min.js

@@ -1,6 +1,6 @@
 {
   "name": "kityminder-editor",
-  "version": "1.0.56",
+  "version": "1.0.57",
   "description": "A powerful mind map editor",
   "main": "kityminder.editor.js",
   "scripts": {