- use librtti

- Fix issue to xce_get() api cause client side crash
- add parse resreq section
- add rusage parser
- parse resreq with basic support alternative & compound, still miss select

src/lib/xceapi.c

@@ -105,6 +105,8 @@ int xce_get_with_condition(xce_ctx_t* ctx, xce_get_t* get, void*** data)
         return -EINVAL;
     }
 
+    memset(&getreply, 0x0, sizeof(getreply));
+    
     ctx->reply.u.get = &getreply;
     rc               = xce_get_req(ctx->ep, get);
     if (rc < 0) {