Removing extra folder.

git-svn-id: https://plugins.svn.wordpress.org/mailchimp-campaigns/trunk@883536 b8457f37-d9ea-0310-8a92-e5e31aec5664
Update version.

git-svn-id: https://plugins.svn.wordpress.org/mailchimp-campaigns/trunk@883537 b8457f37-d9ea-0310-8a92-e5e31aec5664