timers_unix.c : remove sigint and sigterm catch
sdo : Allow multiple servers
The sdo transfer struct is not anymore referenced by server's node id but by
client or server number in the OD. Node id is not relevant in SDO transfert.

0d84d95790d981298a04fed3f5248df3ad265b0c Before_NVRAM_LED_LSS_cleanup
ddeeb217ed71df89f91f3c21e9afe0481e7c86d8 Root_BRANCH_3_0_RC2