Fix for coinwidget.com issue #4 - https://github.com/scottycc/coinwidget.com/issues/4

Replaced document.lastChild.firstChild.appendChild(x) with this document.body.appendChild(x) to remove loading errors on pages where the last child is a comment.


git-svn-id: https://plugins.svn.wordpress.org/coinwidget-shortcode/trunk@840111 b8457f37-d9ea-0310-8a92-e5e31aec5664