Tagging v1.15 in trunk

git-svn-id: https://plugins.svn.wordpress.org/posts-in-sidebar/trunk@822355 b8457f37-d9ea-0310-8a92-e5e31aec5664
Tagging v1.15.1 in trunk

git-svn-id: https://plugins.svn.wordpress.org/posts-in-sidebar/trunk@822397 b8457f37-d9ea-0310-8a92-e5e31aec5664