FlexRIC release v2

- update KPM available versions
 - bool return when reading Service Models

openair2/E2AP/RAN_FUNCTION/CUSTOMIZED/ran_func_slice.c

@@ -24,13 +24,15 @@
 #include <assert.h>
 #include <stdio.h>
 
-void read_slice_sm(void* data)
+bool read_slice_sm(void* data)
 {
   assert(data != NULL);
 //  assert(data->type == SLICE_STATS_V0);
 
   slice_ind_data_t* slice = (slice_ind_data_t*)data;
   fill_slice_ind_data(slice);
+
+  return true;
 }
 
 void read_slice_setup_sm(void* data)