fix icon and manifest

manifest.yml

 ---
-name: Visual Studio Code
+name: Code Server
 category: Interactive Apps
 subcategory: Servers
 role: batch_connect

submit.yml.erb

 <%- 
   gpu = custom_queue.include?("gpu")
+  if num_nodes.to_i > 1
+    ng = 8 * num_nodes.to_i
+  else
+    ng = num_gpus
+  end  
 -%>
 
 batch_connect:
@@ -18,6 +23,6 @@ script:
     - "-n"
     - "<%= num_tasks %>"  
     <%- if gpu -%>
-    - "--gpus <%= num_gpus %>"
+    - "--gpus <%= ng %>"
     - "--comment='use:xorg=True'"
     <%- end -%>    
\ No newline at end of file