s/headlink/head/ in html tag

Author: yasulab

app/views/layouts/application.html.haml

@@ -1,6 +1,6 @@
 !!!
 %html
-  %headlink
+  %head
     %meta{:content => "text/html; charset=UTF-8", "http-equiv" => "Content-Type"}/
     %meta{:charset => "utf-8"}/
     %meta{:content => "IE=edge", "http-equiv" => "X-UA-Compatible"}/