deleted:    agent
	modified:   plnode/ds/cache.h
	modified:   plnode/ds/cache_insert_endpoint.h
	modified:   plnode/ds/cache_insert_policy.h
	modified:   plnode/protocol/plexus/plexus_message_processor.h
	modified:   plnode/protocol/plexus/plexus_protocol.h
	modified:   server_system_test.cc
	modified:   server_system_test.cc