restructured configuration (ofac.c)

- ofac.c contains now only the command in initialisation function list
- the other functions are moved to sicsutil.c
- moved DoubleTime and the content of access.c to sicsutil.c
- moved some initialisation code from ofac.c to the corresponding modules

emon.c

@@ -68,6 +68,7 @@ pEnvMon CreateEnvMon(void)
     free(pNew);
     return NULL;
   }
+  AddCommand(pServ->pSics, "emon", EVWrapper, DeleteEnvMon, pNew);
   return pNew;
 }