Added stubs and boilerplate for sites. update pom formatting.
updated javadoc.
Added apache commons math dependency. Implemented some tests for site.
refactored package name for site.
refactored package name for processes.
Refactored deprecated creation methods in process.
Merge branch 'master' into siteExpansion
Merging after cherry picking from this branch.
added stubs for aggregator and TSO.
implemented tests for aggregator.
produced incomplete implementation
implemented basic aggregator functionality with tests. Handles #19 for insta-flex.
Updated flex control api command. Concerns #11.
Added random steeringsignal tso and added simulationcomponent nature to aggregator.
Updated javadoc
Added stubs for process flexbility and refactored package design a bit.
Performed some minor refactors.
Introduced graph layout component and toString method implements.
implemented flex calc part.
Further implemented flex calculation algorithm.
extracted flex logic into different class.