Add license disclaimer (donnemartin#194)

Clearly denote the repository license is from me, not my employer (Facebook).

Author: donnemartin

LICENSE

@@ -1,3 +1,7 @@
+I am providing code and resources in this repository to you under an open source
+license.  Because this is my personal repository, the license you receive to my
+code and resources is from me and not my employer (Facebook).
+
 Copyright 2015 Donne Martin
 
 Licensed under the Apache License, Version 2.0 (the "License");

README.md

@@ -573,6 +573,8 @@ My contact info can be found on my [GitHub page](https://github.com/donnemartin)
 
 ## License
 
+*I am providing code and resources in this repository to you under an open source license.  Because this is my personal repository, the license you receive to my code and resources is from me and not my employer (Facebook).*
+
     Copyright 2015 Donne Martin
 
     Licensed under the Apache License, Version 2.0 (the "License");