Merge pull request #2 from josevalim/patch-1

Use extra_applications

Author: riverrun

Diff for: mix.exs

@@ -22,7 +22,7 @@ defmodule Blake2.Mixfile do
   end
 
   def application do
-    [applications: [:logger]]
+    [extra_applications: [:logger]]
   end
 
   defp deps do