|8 years 6 months||Netsync with policy branches really needs to be able to recurse
down the policy tree as it gets changes at possibly each level.
This requires fast refinement in order to be tolerable.
Start with the data structures needed for daggy cert refinement.
Commit d5ac851d37a4e689d80e2a1c25d2898be20d6520, by Timothy Brownawell