Run bin/install-jsdeps.sh from installto.sh script

bin/installto.sh

@@ -99,6 +99,16 @@ if (strtolower($input) == 'y') {
       echo "done.\n\n";
   }
 
+  // check if js-deps are up-to-date
+  $jsdeps = json_decode(file_get_contents("$target_dir/jsdeps.json"));
+  $package = $jsdeps->dependencies[0];
+  $dest_file = $target_dir . '/' . $package['dest'];
+  if (!file_exists($dest_file) || sha1_file($dest_file) !== $package['sha1']) {
+      echo "Installing JavaScript dependencies...";
+      system("cd $target_dir && bin/install-jsdeps.sh");
+      echo "done.\n\n";
+  }
+
   echo "Running update script at target...\n";
   system("cd $target_dir && php bin/update.sh --version=$oldversion");
   echo "All done.\n";