Update DFXML to fix an rdifference bug
Add build for Ubuntu's last LTS
Trade Ubuntu 12.10 support for 12.04 LTS
Add 4-hour timeout in evaluation
Remove output order enforcement in parallel evaluation

(There is no output - it all goes to logs.)
Start a RegXML flattening script
Make proper XML out of path-sorted output
Quote variables that could contain whitespace
Handle null names
Handle paths with spaces
Integrate flattener as an experimental script