Add function to download weigths if do no exist, for each test. Add some controls in map demo.

Signed-off-by: Francesco Gatti <gattifrancesco@hotmail.it>

tests/dla34_cnet/dla34_cnet.cpp

@@ -103,6 +103,8 @@ const char *output_bin[]={
 int main()
 {
 
+    downloadWeightsifDoNotExist(input_bin, "../tests/dla34_cnet", "https://cloud.hipert.unimore.it/s/8AjXdgCeRzCa5AF/download");
+
     // Network layout
     tk::dnn::dataDim_t dim(1, 3, 512, 512, 1);
     tk::dnn::Network net(dim);