Merge remote-tracking branch 'eurecom/develop' into episys/mel/merge_develop_cfra_working

targets/RT/USER/lte-softmodem.c

@@ -544,6 +544,8 @@ int main ( int argc, char **argv )
   int ru_id;
   int node_type = ngran_eNB;
 
+  start_background_system();
+
   if ( load_configmodule(argc,argv,0) == NULL) {
     exit_fun("[SOFTMODEM] Error, configuration module init failed\n");
   }

targets/RT/USER/lte-uesoftmodem.c

@@ -802,6 +802,7 @@ int main( int argc, char **argv ) {
   printf("sync sent\n");
   /*
     printf("About to call end_configmodule() from %s() %s:%d\n", __FUNCTION__, __FILE__, __LINE__);
+    We have to set properly PARAMFLAG_NOFREE
     end_configmodule();
     printf("Called end_configmodule() from %s() %s:%d\n", __FUNCTION__, __FILE__, __LINE__);
   */