rest command resolver behavior bug fix

In this example, status was not considered at all:

    command.success({"status": 201});

src/jio/core/restCommandResolver.js

@@ -11,9 +11,11 @@ function restCommandResolver(param, args) {
     {},
     // 1 - default values
     {},
-    // 2 - status parameter
+    // 2 - status property
     {},
-    // 3 - never change
+    // 3 - status parameter
+    {},
+    // 4 - never change
     {"result": "success", "method": param.method}
   ];
   args = Array.prototype.slice.call(args);
@@ -42,8 +44,8 @@ function restCommandResolver(param, args) {
     current_priority.statusText = constants.http_status_text.ok;
   }
 
-  // priority 2 - status parameter
-  current_priority = priority[2];
+  // priority 3 - status parameter
+  current_priority = priority[3];
   // parsing first parameter if is not an object
   if (typeof arg !== 'object' || arg === null || Array.isArray(arg)) {
     if (arg !== undefined) {
@@ -52,11 +54,14 @@ function restCommandResolver(param, args) {
     arg = args.shift();
   }
 
-  // priority 0 - custom values
-  current_priority = priority[0];
   // parsing second parameter if is an object
   if (typeof arg === 'object' && arg !== null && !Array.isArray(arg)) {
+    // priority 0 - custom values
     dictUpdate(current_priority, arg);
+    // priority 2 - status property
+    if (arg.hasOwnProperty("status") || arg.hasOwnProperty("statusText")) {
+      priority[2].status = arg.statusText || arg.status;
+    }
   }
 
   // merge priority dicts