Created favicon from Zipkin logo

IANA designer, improvements welcome
diff --git a/_includes/head.html b/_includes/head.html
index 43ca158..04ecd45 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -22,7 +22,5 @@
   <link rel="stylesheet" href="http://fonts.googleapis.com/css?family=PT+Sans:400,400italic,700|Abril+Fatface">
 
   <!-- Icons -->
-  <link rel="apple-touch-icon-precomposed" sizes="144x144" href="{{ site.github.url }}/public/apple-touch-icon-144-precomposed.png">
-                                 <link rel="shortcut icon" href="{{ site.github.url }}/public/favicon.ico">
-
+  <link rel="shortcut icon" href="{{ site.github.url }}/public/favicon.ico">
 </head>
diff --git a/public/apple-touch-icon-144-precomposed.png b/public/apple-touch-icon-144-precomposed.png
deleted file mode 100644
index 345010c..0000000
--- a/public/apple-touch-icon-144-precomposed.png
+++ /dev/null
Binary files differ
diff --git a/public/favicon.ico b/public/favicon.ico
index a758c7a..5774e39 100644
--- a/public/favicon.ico
+++ b/public/favicon.ico
Binary files differ