Add license headers to tools.descartes.prisma.core.

.../src/tools/descartes/prisma/core/merge/MergerFactory.java

...e/src/tools/descartes/prisma/core/merge/ObjectMerger.java

...e/src/tools/descartes/prisma/core/merge/SensorMerger.java

...ols/descartes/prisma/core/messages/ModelNotification.java

...tes/prisma/core/messages/MonitoringStatisticsMessage.java

...c/tools/descartes/prisma/core/owner/OwnershipManager.java

...re/src/tools/descartes/prisma/core/scopes/AgentScope.java

.../tools/descartes/prisma/core/scopes/ApplicationScope.java

...cartes/prisma/core/scopes/LogicalInfrastructureScope.java

...ools/descartes/prisma/core/scopes/ModelVariableScope.java

...artes/prisma/core/scopes/PhysicalInfrastructureScope.java

...ma.core/src/tools/descartes/prisma/core/scopes/Scope.java

.../src/tools/descartes/prisma/core/scopes/ScopeFactory.java

...tools/descartes/prisma/core/scopes/SystemGlobalScope.java

...tools/descartes/prisma/core/scopes/UsageProfileScope.java

...c/tools/descartes/prisma/core/util/ModelSkeletonUtil.java