Upgrading jQuery to 1.10.2.

jQuery 1.10.2 is the newest release of jQuery.
Read the release notes here: http://blog.jquery.com/2013/07/03/jquery-1-10-2-and-2-0-3-released/
Adding the new main tag to the reset.

A new HTML5 tag has been added: main (read about it here: http://html5doctor.com/the-main-element/
Not all browsers recognize this element though or have any preset styles for it. Therefore we need
to make sure the browser sees it as a block element.
Updating the html5shiv to version 3.7.

This version of html5shiv improves several things.
One of the things is by adding support of the main element in older IE browsers.