added comments, GA
	modified:   _config.yml
	new file:   _includes/themes/tom/default.html
	new file:   _includes/themes/tom/page.html
	new file:   _includes/themes/tom/post.html
	new file:   _includes/themes/tom/settings.yml
	modified:   _layouts/default.html
	modified:   _layouts/page.html
	modified:   _layouts/post.html
	new file:   assets/themes/tom/css/screen.css
	new file:   assets/themes/tom/css/syntax.css
	new file:   assets/themes/tom/images/rss.png
	modified:   index.md