完成tfe中相关功能的开发，回归测试通过。

platform/test/test_key_keeper.cpp

@@ -19,7 +19,7 @@ int main()
 	future_promise_library_init();
 	//struct event_base* evbase = event_base_new();
 	struct key_keeper * keeper = key_keeper_init("./conf/tfe.conf", "key_keeper", logger);
-	struct key_keeper_ctx* ctx = ALLOC(struct key_keeper_ctx, 1);
+	struct key_keeper_ctx* ctx = (struct key_keeper_ctx*)malloc(sizeof(struct key_keeper_ctx));
 	ctx->keeper = keeper;
 	struct future* f = future_create("key_keeper", ask_key_keeper_on_succ, ask_key_keeper_on_fail, ctx);
 	ctx->f = f;