Version 1.94 is compatible up to WP 3.5.2 version, upgrading compatibility to WP v.3.6 in progress

git-svn-id: https://plugins.svn.wordpress.org/envialosimple-email-marketing-y-newsletters-gratis/trunk@764864 b8457f37-d9ea-0310-8a92-e5e31aec5664