Merge pull request #259 from puppetlabs/update-license

(CAT-1529) Update README.md LICENSE section

Author: gavindidrichsen

README.md

@@ -85,3 +85,7 @@ The following platforms are supported:
 - OSX
 - RedHat
 - Ubuntu
+
+## License
+
+This codebase is licensed under Apache 2.0. However, the open source dependencies included in this codebase might be subject to other software licenses such as AGPL, GPL2.0, and MIT.