Technical review of FUSE Mediation Router Programmer's Guide

Technical review of the FUSE Mediation Router Programmer's Guide (128 pages). This is currently a rough draft and will need to be revised, based on feedback received. Hadrian has volunteered to review the document. But it might be a good idea of other Camel develpers to take a look at some parts of this doc.

Here is a summary of the contents:

. Understanding Message Formats
. Implementing a Processor
. Type Converters
. Implementing a Component