Updated Upgrade Notice

git-svn-id: https://plugins.svn.wordpress.org/cookie-banner/trunk@844449 b8457f37-d9ea-0310-8a92-e5e31aec5664
Upgrade to Version 1.1 - A few minor CSS and jQuery changes to improve browser and responsive compatibility.

git-svn-id: https://plugins.svn.wordpress.org/cookie-banner/trunk@844450 b8457f37-d9ea-0310-8a92-e5e31aec5664