Update jquery.form.js to 3.49.0-2014.02.05.

git-svn-id: https://plugins.svn.wordpress.org/contact-form-7/trunk@857561 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fix an autop bug in this form:
<div>[submit] [response]</div>

ref: http://wordpress.org/support/topic/response-causes-invalid-html

git-svn-id: https://plugins.svn.wordpress.org/contact-form-7/trunk@860556 b8457f37-d9ea-0310-8a92-e5e31aec5664