YARN-1707. Introduce APIs to add/remove/resize queues in the
CapacityScheduler. (Carlo Curino and Subru Krishnan via curino)

YARN-2475. Logic for responding to capacity drops for the 
ReservationSystem. (Carlo Curino and Subru Krishnan via curino)

YARN-1708. Public YARN APIs for creating/updating/deleting 
reservations. (Carlo Curino and Subru Krishnan via subru)

YARN-1709. In-memory data structures used to track resources over
time to enable reservations. (Carlo Curino and Subru Krishnan via 
subru)

YARN-1710. Logic to find allocations within a Plan that satisfy 
user ReservationRequest(s). (Carlo Curino and Subru Krishnan via 
curino)