BUGFIX: Initialize DIY since Halo object needs it

Commit SHA:3434d92838f49e56b91866f3cc3f27c13cbbac81 intorduced
a DIY dependency to application that don't use DIY for communication
b/c cosmotk::Halo uses that to find the OwnerId.
DEBUG: Progress with debugging DIY reader
BUGFIX: Initialize DIY in halotracker

Added coded to initialize DIY needed for parallel tracking.