Chapter 3 cleanup. Removed duplicate Logging section - preserved most elaborate variant.
Chapter 6 cleanup. Added mention that the deployer also looks for files with a .bpmn extension. Removed references to old demo setup. Replaced specific reference to Subversion by more generic description. Added third process deployment to clarify that the id attribute of the process determines whether it's a new version of the process or an entirely new process. Text cleanup and fixed some typos.