Added zxing to pom for QR codes
When rendering pdf a QR code is to be added to each leaflet map and information on this needs to be passed back
Removed zxing as itext has required libraries
Added some additional parameters for the text on the delivery sheet and a URL prefix
Tweeked log4j.properties
Tweeked details when ProgressTracker overflows
Created a Rendered Route object to store information on the UUID that is rendered on the PDF
Closes #42

Implement QR Code on sheet with explanation text
Merge pull request #63 from etothepii/issue/42

Issue/42