This patch changes logic from counting all nodes to counting only
read-write nodes when messaging about DML operations.
feat(MCOL-6082): Multiple readers of dbroots using OamCache logic
This patch introduces centralized logic of selecting what dbroot is
accessible in PrimProc on what node. The logic is in OamCache for time
being and can be moved later.
Fix build
Date limit of year 1400 was used due to Boost's limits.
This patch strips out the use of Boost for date handling and sets the
lower limit to year 1000.