New version. Added new feature 2.

git-svn-id: https://plugins.svn.wordpress.org/html-social-share-buttons/trunk@862385 b8457f37-d9ea-0310-8a92-e5e31aec5664
Add email share button.

git-svn-id: https://plugins.svn.wordpress.org/html-social-share-buttons/trunk@865508 b8457f37-d9ea-0310-8a92-e5e31aec5664