fixed errors in fixed point
added fixed point to makefile
Added load avg math
added more swapfile types to gitignore
added priority determination for threads
Merge branch 'bsd' of https://github.com/odiab/cs140 into bsd
added basic structures for priority queues
incr and decr counter of active threads
added mlfqs if statement checks
initialized nice
moved functionality to threads, triggered on timer ticks
implemented priority list poppin and pushin
moved bsd vars from thread.h to thread.c
Merge branch 'bsd'

Conflicts:
	.gitignore
	src/threads/thread.c