Please include a LICENSE file in the source tree

```
Including a LICENSE file makes it easier for downstream packagers and other 
users to ensure that they are using the software in a manner consistent with 
its license.  Please include the Apache license in the source tree and in 
source distributions:  http://www.apache.org/licenses/LICENSE-2.0 
```

Original issue reported on code.google.com by `willben...@gmail.com` on 21 Oct 2013 at 3:36
