Added update notice to top of settings page.
Removed sidebar in settings page.

git-svn-id: https://plugins.svn.wordpress.org/pinterest-follow-button/trunk@868230 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated version #

git-svn-id: https://plugins.svn.wordpress.org/pinterest-follow-button/trunk@868237 b8457f37-d9ea-0310-8a92-e5e31aec5664