CNSM2014: Modified Task and InteractiveApplication classes to add task dependencies/constraints.
CNSM2014: Added method getAffinitySet(Task).
CNSM2014: Added new method unmigrate() to HostStatus.
CNSM2014: Added new Host models.
Merge branch 'development' into dependencies
CNSM2014: Created new event MigrationCompletedEvent and modified HosOperationPolicy to issue that event upon completion of a migration.
CNSM2014: Refactored MigrationCompletedEvent into MigrationCompleteEvent.
Added smaller host models
CNSM2014: Created new event VmInstantiationCompletedEvent and modified HosOperationPolicy to issue that event upon completion of a VM instantiation.
CNSM2014: Modified HostOperationsPolicy to trigger an event after shutting down a VM.
CNSM2014: Refactoring TaskData. Work in progress.
Added new metrics to calculate Host and Data Centre memory utilization.
Added new metrics in ApplicationMetrics to report total instantiated VMs and max/mean/min active VMs.
Added type attribute to Application.
Added new metrics in ApplicationMetrics to report ratio of application types deployed to spawned.
Added method toString() to Resources class.
CNSM2014: Modified some metrics' names.
CNSM2014: Modified HostOperationsPolicy to message the target Host's manager upon completion of a migration. Also added a handler for said message.
Added method isComplete() to SimulationTask.
Merge branch 'development' of digs.csd.uwo.ca:dcsim into dependencies

Conflicts:
	src/edu/uwo/csd/dcsim/host/HostModels.java