Getting TImre Interrupts
Fixed Timer Interrupts

- The math for 10ms was wrong
- Turned off interrupts before exiting, stops kernel from segfaulting
  the second time around. This probably needs to be more robust from
  other people wrecking the registers.
Heap
Merge branch 'timer_interrupts' of github.com:dzelemba/cs452 into timer_interrupts

Conflicts:
	Makefile
Clockserver
Verbiage: Change our classical 'ticks' to edges

This is to avoid confusion between our new definition of 'tick' which is
10ms this term.
Completing Clockserver
Fix make test.out

- This got lost during a merge
Cleaned up AwaitEvent

There should be no behaviour changes.
Add A3 Program Output