Added countdown feature

git-svn-id: https://plugins.svn.wordpress.org/jellyfish-counter-widget/trunk@822285 b8457f37-d9ea-0310-8a92-e5e31aec5664
Version number fix

git-svn-id: https://plugins.svn.wordpress.org/jellyfish-counter-widget/trunk@822286 b8457f37-d9ea-0310-8a92-e5e31aec5664