Adding the DAG described in the HEFT original paper.
Partial work in the HEFT Planner.
Functional HEFT algorithm. Starting cleanup.
Removing duplicated code
Fix bug in examples files. (hostId being redeclared as 0 in every
iteration)
Cleaning up for pull request.
fix some terms
Merge branch 'master' of https://github.com/WorkflowSim/WorkflowSim-1.0 into pedropaulovc-master
fix some terms