BUILD FIX - task 2 join is needed
Merge branch 'master' of https://github.com/eldardamari/operatingSystems

Conflicts:
	assignment2/uthread.c
	assignment2/uthread.h

FIXED
ADDED - task 3 was implemented
ADED - task 2.7 was completed
BUILD FIX - task 3 is now complete
Merge with eldar
ADDED - task 4 is complete
fssp -> add join to all threads, working well. test.c -> no sleep for threads. uthread.c -> delete few comments