change shortcode

git-svn-id: https://plugins.svn.wordpress.org/contact-form-maker/trunk@1032549 b8457f37-d9ea-0310-8a92-e5e31aec5664
edit tags

git-svn-id: https://plugins.svn.wordpress.org/contact-form-maker/trunk@1032553 b8457f37-d9ea-0310-8a92-e5e31aec5664