Require Elixir 1.2+

Author: Josh Price

.travis.yml

@@ -1,11 +1,5 @@
 language: elixir
 elixir:
-  - 1.1
+  - 1.2.3
 otp_release:
-  - 17.5
   - 18.2
-
-matrix:
-  include:
-    - elixir: 1.2
-      otp_release: 18.2

mix.exs

@@ -11,7 +11,7 @@ defmodule GraphQL.Plug.Mixfile do
     [app: :plug_graphql,
      description: @description,
      version: @version,
-     elixir: "~> 1.1",
+     elixir: "~> 1.2",
      build_embedded: Mix.env == :prod,
      start_permanent: Mix.env == :prod,
      package: package,