Solution for E7: Scheduler Isolation

git-svn-id: https://epos.lisha.ufsc.br/svn/branches/ine5424@3190 86035c5f-d46c-4136-a2d5-fe63f1d4a782
Some help on solving the exercive about the buil-in architecture

git-svn-id: https://epos.lisha.ufsc.br/svn/branches/ine5424@3191 86035c5f-d46c-4136-a2d5-fe63f1d4a782
Added git workarounds to professor's partial solution do built-in architecture.
Copied class Task from EPOS' production version;
Basic modifications to make the code compile. It does not execute until the end.