- Update to new upstream release 1.6.0
* Improve logging in gprs_llc.c code
* sgsn: Gb: implementing PS Paging when MS is MM_STANDBY
* sgsn_libgtp: refactor ps paging into gprs_gb
* ranap: add non-spec X1001
* Iu: implement a user inactivity timer
* Implement GMM State using osmocom FSM
* Introduce FSM mm_state_iu_fsm, mm_state_gb_fsm
* gprs_gmm: only update gb/iu cell information when Iu/Gb present
* vty: Introduce cs7-instance-iu
* gprs/gprs_gmm: implement T3314. Timeout to reset MM state
READY->STANDBY
- Update to new upstream release 1.5.0
* sgsn: Have authentication required on by default
* osmo-sgsn: add VTY parameter to toggle authentication
* sgsn_libgtp: Use new per-GSN libgtp API instead of deprecated
API
* Fix IMSI padding in imsi-acl
* Improve 'show subscriber cache' vty command