Release 5.2.15

git-svn-id: https://plugins.svn.wordpress.org/wp-photo-album-plus/trunk@857923 b8457f37-d9ea-0310-8a92-e5e31aec5664
Search widget fix

git-svn-id: https://plugins.svn.wordpress.org/wp-photo-album-plus/trunk@857931 b8457f37-d9ea-0310-8a92-e5e31aec5664
Release 5.2.15

git-svn-id: https://plugins.svn.wordpress.org/wp-photo-album-plus/trunk@858429 b8457f37-d9ea-0310-8a92-e5e31aec5664