Change license to MIT (#113)

* Change license to MIT

In the unlikely event that any contributors object to this change,
please contact the maintainers.

This also changes the copyright notice from our company, CargoSense,
to the maintainers, as the scope/focus of the project has changed in
the last year.

* Update mix.exs

LICENSE.md

@@ -0,0 +1,22 @@
+MIT License
+
+Copyright (c) Bruce Williams, Ben Wilson
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

@@ -1,7 +1,7 @@
 # Absinthe Plug
 
 [![Build Status](https://travis-ci.org/absinthe-graphql/absinthe_plug.svg?branch=master
-"Build Status")](https://travis-ci.org/absinthe-graphql/absinthe_plug)
+"Build Status")](https://travis-ci.org/absinthe-graphql/absinthe_plug)[![License](https://img.shields.io/badge/License-MIT-blue.svg)](https://opensource.org/licenses/MIT)
 
 [Plug](https://hex.pm/packages/plug) support for [Absinthe](https://hex.pm/packages/absinthe),
 the GraphQL toolkit for Elixir.
@@ -121,4 +121,4 @@ See the project list at <http://absinthe-graphql.org/projects>.
 
 ## License
 
-See `LICENSE`.
+See [LICENSE.md](./LICENSE.md).

mix.exs

@@ -19,7 +19,7 @@ defmodule Absinthe.Plug.Mixfile do
     [description: "Plug support for Absinthe, the GraphQL toolkit for Elixir",
      files: ["lib", "mix.exs", "README*"],
      maintainers: ["Ben Wilson", "Bruce Williams"],
-     licenses: ["BSD"],
+     licenses: ["MIT"],
      links: %{
        site: "http://absinthe-graphql.org",
        github: "https://github.com/absinthe-graphql/absinthe_plug",