Clarify README with link to site source code.

Author: msgilligan

README.md

@@ -1,4 +1,6 @@
 JavaMoney.github.io
 ===================
 
-Source code for JavaMoney Project main/umbrella website published to [JavaMoney.github.io](https://javamoney.github.io).
+[Github Organization Pages](https://pages.github.com) repo for the JavaMoney Project main/umbrella website published to [JavaMoney.github.io](https://javamoney.github.io).
+
+The content source is in the [JavaMoney/JavaMoney-template-bootstrap](https://github.com/JavaMoney/JavaMoney-template-bootstrap) repo and is rendered with JBake and then committed to this repository to publish.