feature(commander) add changeOrder

HELP.md

@@ -394,3 +394,4 @@ Special Thanks
 - [Elec-ua](https://github.com/elec-ua)
     - [ru](http://ru.cloudcmd.io "Cloud Commander in Russian") and [ua](http://ua.cloudcmd.io "Cloud Commander in Ukrainian") translations;
     - config [template](html/config.html) and [style](css/config.css);
+    - change order of directories and files in [commander](lib/server/commander.js "Commander")

lib/server/commander.js

@@ -156,6 +156,39 @@
         }
     }
     
+     function changeOrder(json) {
+        var file, i, n,
+            files   = [],
+            dirs    = [], 
+            current = [],
+            path    = json[0],
+            sorted  = [path];
+        
+        n = json.length;
+        for (i = 1; i < n; i++) {
+            current = json[i];
+            
+            if (current.size === "dir")
+                dirs.push(current);
+            else 
+                files.push(current);
+        }
+        
+        n = dirs.length;
+        for (i = 0; i < n; i++) {
+            current = dirs[i];
+            sorted.push(current);
+        }
+        
+        n = files.length;
+        for (i = 0; i < n; i++) {
+            current = files[i];
+            sorted.push(current);
+        }
+        
+        return sorted;
+    }
+    
     function getDirPath(pPath) {
         var lRet = pPath;