deleted:    agent
	modified:   plnode/ds/cache.h
	modified:   plnode/ds/cache_iterator.h
	modified:   plnode/logging/log.h
	modified:   plnode/protocol/plexus/plexus_message_processor.h
	modified:   plnode/protocol/plexus/plexus_protocol.h
	modified:   server_system_test.cc