Prepare for 4.0

Author: linev

changes.md

@@ -1,6 +1,6 @@
 # JSROOT changelog
 
-## Changes in master
+## Changes in 4.0
 1. New TGeo classes support:
    - browsing  through volumes hieararchy
    - changing visibility flags

scripts/JSRootCore.js

@@ -85,7 +85,7 @@
    }
 } (function(JSROOT) {
 
-   JSROOT.version = "dev 16/12/2015";
+   JSROOT.version = "4.0 16/12/2015";
 
    JSROOT.source_dir = "";
    JSROOT.source_min = false;