GAE URLFetchService, JDOM2, Amazon ItemSearch, Bytes Array to String

https://github.com/GoogleCloudPlatform/java-docs-samples/tree/master/appengine/urlfetch
http://docs.aws.amazon.com/AWSECommerceService/latest/DG/ItemSearch.html
http://stackoverflow.com/questions/4661680/how-to-read-fetch-the-xml-file-from-an-url-using-java
http://stackoverflow.com/posts/4661726/revisions
http://www.tutorialspoint.com/java_xml/java_jdom_query_document.htm
http://www.studytrails.com/java/xml/jdom2/java-xml-jdom2-xpath.jsp
http://www.tutorialspoint.com/java_xml/java_jdom_parse_document.htm
https://ikaisays.com/2010/06/29/using-asynchronous-urlfetch-on-java-app-engine/
byte[] bytes = example.getBytes();
String decoded = new String(bytes, "UTF-8");