Merge pull request #10 from griera/master

Implements scheduler with a Round Robin policy. Needs more debugging stu...
Merge pull request #11 from griera/master

Process Scheduling works well using a Round Robin policy
Merge pull request #12 from griera/master

Implements syscalls exit() and get_stats() (including all statistical ma...
RETURN FROM FORK only once
init_task1 with initialization of tss