relax even elixir even more (1.2)

Author: mindreframer

mix.exs

@@ -5,7 +5,7 @@ defmodule AtomicMap.Mixfile do
   def project do
     [app: :atomic_map,
      version: @version,
-     elixir: ">= 1.3.0",
+     elixir: ">= 1.2.0",
      build_embedded: Mix.env == :prod,
      start_permanent: Mix.env == :prod,
      package: package(),