Updates HACKING to include mention of initial merge with
robust discussion followed by subsequent merges with limited
scope.
Change-Id: Ief410a502e2a7221b2d05d054ccb865b9adcc52d
This file gives more information about the fields
used in the user-story-tracker.json file. This
commit also updates HACKING.rst to include a link
to this new file.
Change-Id: I7fbf152f7bb444a6d2788deb31e645886527fd46
Andreas Jaeger