Increase timeout to 600 second before terminating

Closes #10 (closed)

template/after.sh

 # Wait for the Jupyter Notebook server to start
 echo "Waiting for Jupyter Notebook server to open port ${port}..."
 echo "TIMING - Starting wait at: $(date)"
-if wait_until_port_used "${host}:${port}" 60; then
+if wait_until_port_used "${host}:${port}" 600; then
   echo "Discovered Jupyter Notebook server listening on port ${port}!"
   echo "TIMING - Wait ended at: $(date)"
 else