upgrade to 1.3 to fix problems

git-svn-id: https://plugins.svn.wordpress.org/contact-form-by-contactmetrics/trunk@882667 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fixed readme.txt

git-svn-id: https://plugins.svn.wordpress.org/contact-form-by-contactmetrics/trunk@882669 b8457f37-d9ea-0310-8a92-e5e31aec5664