Added information about the libraries license.

README.md

@@ -51,3 +51,18 @@ functions that Rust requires for LLVM. These are:
 
 Activates weak linkage on ELF objects. This is only useful when combined with
 the 'no_mem_manip' feature.
+
+---
+
+## Copyright & License
+
+Copyright 2017 CyberMages LLC
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this library except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS