Update changelog

Author: linev

changes.md

@@ -1,5 +1,11 @@
 # JSROOT changelog
 
+## Changes in 5.6.x
+1. Add TMath.BreitWigner function
+2. Support custom streamers for TMaterial and TMixture (very old examples)
+3. Fix Y-scale drawing of THStack (https://root-forum.cern.ch/t/31266)
+
+
 ## Changes in 5.6.0
 1. By drawing outline speed up (factor 10) canvas with many small sub-pads 
 2. Let configure user click and double-click handlers, extend tooltip.htm example

scripts/JSRootCore.js

@@ -96,7 +96,7 @@
 
    "use strict";
 
-   JSROOT.version = "5.6.0 19/10/2018";
+   JSROOT.version = "5.6.x 24/10/2018";
 
    JSROOT.source_dir = "";
    JSROOT.source_min = false;