add plugin: FontAwesomeTag 4 Markdown

http://ryancmorrissey.com/blog/2014/01/25/font-awesome-icons-jekyll-tag-
plugin/

http://fortawesome.github.io/Font-Awesome/icons/
add plugin: emoji_for_jekyll

https://github.com/yihangho/emoji-for-jekyll

http://www.emoji-cheat-sheet.com/
add Contact
layout update