Added an Optional Settings fieldset to the widget and styled it with an admin stylesheet.

git-svn-id: http://plugins.svn.wordpress.org/adplugg/trunk@934022 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated the version number to 1.1.14

git-svn-id: http://plugins.svn.wordpress.org/adplugg/trunk@934024 b8457f37-d9ea-0310-8a92-e5e31aec5664
Merge branch 'master' of https://github.com/adplugg/wordpress-ad-plugin
Now supports WP 4.0