post release update

git-svn-id: https://plugins.svn.wordpress.org/zedity/trunk@869552 b8457f37-d9ea-0310-8a92-e5e31aec5664
tweaked main description

git-svn-id: https://plugins.svn.wordpress.org/zedity/trunk@869715 b8457f37-d9ea-0310-8a92-e5e31aec5664