Bump to v0.2.1

Author: ericmj

mix.exs

@@ -5,7 +5,7 @@ defmodule Decimal.Mixfile do
 
   def project do
     [ app: :decimal,
-      version: "0.2.1-dev",
+      version: "0.2.1",
       elixir: "0.13.3",
       deps: deps,
       build_per_environment: false,
@@ -36,7 +36,7 @@ defmodule Decimal.Mixfile do
   defp package do
     [ contributors: ["Eric Meadows-Jönsson"],
       licenses: ["Apache 2.0"],
-      links: [ { "Github", "https://github.com/ericmj/decimal" },
-               { "Documentation", "http://ericmj.github.io/decimal" } ] ]
+      links: %{"Github" => "https://github.com/ericmj/decimal",
+               "Documentation" => "http://ericmj.github.io/decimal"} ]
   end
 end