Merge pull request #150 from flexiblepower/development_thijl

Development thijl
Created TestClasses for BidCache and MarketBasis.
Refactored the MockScheduler
Added eventTest to test the BidEvent, PriceEvent and all subclasses.
Fix for BidEvent. BidEvent used OutGoingBidEvents simplename
Moved ConcentratorTest to integration
Will create new Concentrator unit test
Merge pull request #153 from flexiblepower/development_tom

Test updates
refactored the visualizer. The cluster tree is now has a proper layout. I had to remove the data label, because it doesn't appear to work. All json in visualizationPlugin is now serialized in POJO's