Add topology-config to sample freedm.cfg
Fix topology-config sample file path
Add logger-config to freedm.cfg
Update gross P squre calculation.
Update.
Update comments.
fix an error.
Update cyber invariant.
fix a bug.
Fix a typo.
Update physical invariant check.
Add option for invariant check.
Add configuration option for invariant check in freedm.cfg file.
Updates based on feedback from pull request #367.
Merge remote-tracking branch 'origin/CPSDebugging' into LoadBalanceDevices

Conflicts:
	Broker/src/lb/LoadBalance.cpp
Merge branch 'LoadBalanceDevices' into MessageRefactor