* Added 500px, Codepen, Envato, Kickstarter, Speaker Deck, Vine
* Removed Forrst
* Added ability to filter opening, closing tags and HTML for icon output.
* Added target="_blank" for links to open in a new window by default.

git-svn-id: https://plugins.svn.wordpress.org/social-media-icons-widget/trunk@943768 b8457f37-d9ea-0310-8a92-e5e31aec5664