Patch for table page break improvement.

From d78182d3a6451522f239ee1ecbb71863eb053792 Mon Sep 17 00:00:00 2001
From: Artem Baranovskiy <likejavascript@gmail.com>
Date: Mon, 6 May 2013 08:01:01 +0400
Subject: [PATCH] Table page-break improvements

See issue #11291 https://github.com/ariya/phantomjs/pull/11291