Change release output path, add missing LICENSE file

LICENSE.md

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Ian Kent
+
+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.

Makefile

@@ -10,7 +10,7 @@ test: test-deps
 	go list ./... | xargs -n1 go test
 
 release: release-deps
-	gox
+	gox -output="build/{{.Dir}}_{{.OS}}_{{.Arch}}"
 
 fmt:
 	go fmt ./...

README.md

@@ -66,4 +66,4 @@ If you make any changes, run ```go fmt ./...``` before submitting a pull request
 
 Copyright ©‎ 2014, Ian Kent (http://www.iankent.eu).
 
-Released under MIT license, see [LICENSE](license) for details.
+Released under MIT license, see [LICENSE](LICENSE.md) for details.