update to version 1.2.9

git-svn-id: https://plugins.svn.wordpress.org/feedburner-email-subscription/trunk@791234 b8457f37-d9ea-0310-8a92-e5e31aec5664
update bootstrap class for template.php

git-svn-id: https://plugins.svn.wordpress.org/feedburner-email-subscription/trunk@791236 b8457f37-d9ea-0310-8a92-e5e31aec5664