add forwarding and end marker

common/utils/itti_analyzer/filters.xml

common/utils/itti_analyzer/filters_ue_enb.xml

common/utils/ocp_itti/intertask_interface.h

openair2/COMMON/gtpv1_u_messages_def.h

openair2/COMMON/gtpv1_u_messages_types.h

openair2/RRC/LTE/rrc_defs.h

openair2/RRC/LTE/rrc_eNB.c

openair2/RRC/LTE/rrc_eNB_GTPV1U.c

openair2/RRC/LTE/rrc_eNB_GTPV1U.h

openair2/RRC/LTE/rrc_eNB_S1AP.c

openair2/RRC/LTE/rrc_eNB_S1AP.h

openair2/X2AP/x2ap_eNB_generate_messages.c

openair2/X2AP/x2ap_eNB_handler.c

openair3/GTPV1-U/gtpv1u_eNB.c

openair3/GTPV1-U/gtpv1u_eNB_defs.h

openair3/GTPV1-U/gtpv1u_eNB_task.h

openair3/GTPV1-U/nw-gtpv1u/src/NwGtpv1u.c

openair3/S1AP/s1ap_eNB_handlers.c

openair3/UDP/udp_eNB_task.c