updated new version 1.8

git-svn-id: https://plugins.svn.wordpress.org/responsive-contact-form/trunk@914462 b8457f37-d9ea-0310-8a92-e5e31aec5664
updated new version 1.8

git-svn-id: https://plugins.svn.wordpress.org/responsive-contact-form/trunk@914463 b8457f37-d9ea-0310-8a92-e5e31aec5664