v0.3.0

- Change color from orange to blue; improve colors elsewhere
- Change `div.section` to `section`
- Rename  `posts` directory to `blog`
- Add ability to specify extra CSS files in `config.toml`
- Removed `WebFontsFile` feature from `config.toml`
- Remove the initials displayed on top right of single post pages
- Update example site

layouts/404.html

@@ -1,5 +1,5 @@
 {{ partial "header.html" . }}
-<div class="section main">
+<section class="main">
     <div class="container f04">
         <div class="content">
             <div class="num">404</div>
@@ -7,5 +7,5 @@
             <div class="suggestion"><a href="/">Visit home page</a></div>
         </div>
     </div>
-</div>
+</section>
 {{ partial "footer.html" . }}