Added SetTreeRootDecisiveness method to TransactionIDsStorageStrategy
Added GetFirstLevelChildDecisionTransactionIDs method to TransactionIDsStorageStrategy
Added SetChildDecisiveness method to TransactionIDsStorageStrategy
Renamed GRM.Logic.Tests project to GRM.Logic.UnitTests
Moved GRM.Logic.UnitTests to appropriate folder
Moved StorageStrategies tests to appropriate folder