* Harden option to disable sharing buttons on each post and page
* Extend option to custom post types

git-svn-id: https://plugins.svn.wordpress.org/add-to-any/trunk@789024 b8457f37-d9ea-0310-8a92-e5e31aec5664
* Fix backwards compatibility with WordPress 2.8
 * Checkbox option to disable sharing buttons on each post and page
* Add Baidu
* Add Mendeley
* Add Springpad
* Update VK (Vkontakte)

git-svn-id: https://plugins.svn.wordpress.org/add-to-any/trunk@791512 b8457f37-d9ea-0310-8a92-e5e31aec5664