add
        - about page
        - guestbook page
        - categories page
        - tags page
	new file:   .gitignore
	new file:   _config.yml
	new file:   _includes/comments.md
	new file:   _includes/footer.html
	new file:   _includes/head.html
	new file:   _includes/header.html
	new file:   _layouts/default.html
	new file:   _layouts/page.html
	new file:   _layouts/post.html
	new file:   _posts/2014-09-11-welcome-to-jekyll.markdown
	new file:   about.md
	new file:   categories/index.md
	new file:   feed.xml
	new file:   guestbook/index.md
	modified:   index.html
	modified:   stylesheets/stylesheet.css
	new file:   tags/index.md