Merge pull request #1 from niku/patch-1

Change the url of gh-btn.

Author: fukamachi

index.html

@@ -12,7 +12,7 @@
   <header>
     <h1><a href="./">CL21</a></h1>
     <iframe class="gh-btn"
-            src="http://ghbtns.com/github-btn.html?user=fukamachi&repo=cl21&type=watch&count=true&size=large"
+            src="http://ghbtns.com/github-btn.html?user=cl21&repo=cl21&type=watch&count=true&size=large"
             allowtransparency="true" frameborder="0" scrolling="0" width="170" height="30"></iframe>
     <nav>
       <ul>