add size field to aggregator immediate messages
add size field to aggregator immediate messages

uwsampa/grappa,alexfrolov/grappa,alexfrolov/grappa,alexfrolov/grappa,alexfrolov/grappa,uwsampa/grappa,alexfrolov/grappa,buaasun/grappa,uwsampa/grappa,buaasun/grappa,uwsampa/grappa,buaasun/grappa,alexfrolov/grappa,buaasun/grappa,uwsampa/grappa,uwsampa/grappa,buaasun/grappa,buaasun/grappa,uwsampa/grappa,buaasun/grappa,alexfrolov/grappa