priority scheme is now customizable
Created utilization meters that allow
	- seeing % time in which channels are busy
	- seeing % time in which LUNs are busy
	- seeing % time in which there is free space in each LUN
	- seeing % time in which it is possible to do app writes
Merge branch 'master' of github.com:ClydeProjects/EagleTree

Conflicts:
	Scheduler/Simple_Scheduling_Strategy.cpp
	Scheduler/scheduler.cpp
	scheduler.h
removing legacy code