Trunk version 1.4.1

git-svn-id: https://plugins.svn.wordpress.org/ad-inserter/trunk@1056151 b8457f37-d9ea-0310-8a92-e5e31aec5664
Stable tag set to 1.4.1

git-svn-id: https://plugins.svn.wordpress.org/ad-inserter/trunk@1056157 b8457f37-d9ea-0310-8a92-e5e31aec5664