Prepare for 4.5.3 release

There is failure in central JSROOT.clone() routine.

Author: linev

changes.md

@@ -1,6 +1,6 @@
 # JSROOT changelog
 
-## Changes in 4.5.2
+## Changes in 4.5.3
 1. Fix - position of TFrame in canvas/pad
 2. Fix - use histogram fMinimum/fMaximum when creating color palette
 3. Fix - correctly draw empty th2 bins when zmin<0 is specified  

scripts/JSRootCore.js

@@ -89,7 +89,7 @@
    }
 } (function(JSROOT) {
 
-   JSROOT.version = "4.5.2 3/08/2016";
+   JSROOT.version = "4.5.3 4/08/2016";
 
    JSROOT.source_dir = "";
    JSROOT.source_min = false;

scripts/JSRootPainter.jquery.js

@@ -350,7 +350,7 @@
             btn.append('img').attr("src", factcmds[n]._icon);
       }
 
-      d3p = maindiv.append("p");
+      var d3p = maindiv.append("p");
 
       d3p.append("a").attr("href", '#').text("open all").on("click", function() { h.toggle(true); d3.event.preventDefault(); });
       d3p.append("text").text(" | ");