Merge branch 'feat-increase-timeout' into 'master'

Feat increase timeout

Closes #12

See merge request !14

template/after.sh.erb

 # Wait for the RStudio Server to start
 echo "Waiting for RStudio Server to open port ${port}..."
-if wait_until_port_used "${host}:${port}" 120; then
+echo "TIMING - Starting wait at: $(date)"
+if wait_until_port_used "${host}:${port}" 600; then
   echo "Discovered RStudio Server listening on port ${port}!"
+  echo "TIMING - Wait ended at: $(date)"
 else
   echo "Timed out waiting for RStudio Server to open port ${port}!"
+  echo "TIMING - Wait ended at: $(date)"
   clean_up 1
 fi
 sleep 2