Merge pull request #240 from fgiannar/develop

Develop
Merge pull request #241 from fgiannar/develop

close #239
TOU Pricing (Issue #234)
Fix bug (Issue #242): base field optional.
Merge pull request #244 from fgiannar/develop

#243 Solved bug, added loading mask
Save aggregate results per hour (#251), Improve simulation speed (#250),
eliminate delay in ending a thread (#248)
Node creation
CSN Nodes2
Merge branch 'develop' of https://github.com/cassandra-project/platform.git into develop
Transformer ID
Merge pull request #53 from cassandra-project/develop

Develop