Spotty v1.2.4

[apls777]

• GCP:

  • fixed setup.py
  • added the bootDiskSize parameter
  • added custom startup commands for instance and container
  • updated Docker version for a custom image
  • updated shared GCP image

• AWS:

  • fixed the Node.js runtime for the AMI stack
  • updated Docker version for custom AMI
  • using the latest Deep Learning AMI (AWS stopped maintaining "Deep Learning Base AMI")