Nm resize fix:

- Fix dataview grid resize not taking care of category color border
- Fix Category borders make headers misaligned

api/js/etemplate/et2_dataview.js

@@ -163,6 +163,9 @@ var et2_dataview = (function(){ "use strict"; return Class.extend({
 		{
 			this.width = _w;
 
+			// Take grid header border's width into account. eg. category colors may add extra pixel into width
+			_w = _w - (this.thead.find('tr').outerWidth() - this.thead.find('tr').innerWidth());
+
 			// Rebuild the column stylesheets
 			this.columnMgr.setTotalWidth(_w - this.scrollbarWidth);
 			this._updateColumns();