Tagging version 1.5.1.

git-svn-id: https://plugins.svn.wordpress.org/zoltonorg-social-plugin/tags/1.5.1@810448 b8457f37-d9ea-0310-8a92-e5e31aec5664
Tagging version 1.5.1.

git-svn-id: https://plugins.svn.wordpress.org/zoltonorg-social-plugin/trunk@810468 b8457f37-d9ea-0310-8a92-e5e31aec5664