nginx 1.4.6, devel 1.5.11

Closes Homebrew/homebrew#27196.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>

Formula/nginx.rb

@@ -2,12 +2,12 @@ require 'formula'
 
 class Nginx < Formula
   homepage 'http://nginx.org/'
-  url 'http://nginx.org/download/nginx-1.4.5.tar.gz'
-  sha1 '96c1aecd314f73a3c30a0db8c39ad15ddacb074e'
+  url 'http://nginx.org/download/nginx-1.4.6.tar.gz'
+  sha1 '1d790fd2b403b0b694a8dbbc28f7e34dbc3ca863'
 
   devel do
-    url 'http://nginx.org/download/nginx-1.5.10.tar.gz'
-    sha1 '89e2317c0d27a7386f62c3ba9362ae10b05e3159'
+    url 'http://nginx.org/download/nginx-1.5.11.tar.gz'
+    sha1 'c52239582d67063ab40ec2f88aa82ffb3eb8f469'
   end
 
   head 'http://hg.nginx.org/nginx/', :using => :hg