Clock control experiments, ideas welcome!

[martijnbastiaan]

WIP: I'll add descriptions

Priority	Name	Done
P0	Mesh: Stability with uncontrolled node
P0	Mesh: Stability
P0	Node stabilization
P0	Wandering
P0	Buffer size
P0	Startup phase: Clipping/Range saturation
P1	Link failures
P1	Node failures
P1	Malicious behavior
P2	Drift vs. shock
P2	Topologies
P2	Node freq change latency
P3	Big Shock
P3	Init Buffer Shock
P3	Link latency
P4	Discretization
?	Joins and departures
?	Ping-pong
?	spanning-tree mode