solarlib 1.6.0

Initial cloud-init support

Cara Salter (13):
      star: Change ship field to shasum
      ship: Implement Clone
      star: Implement Clone on NewPlanet
      ship: Make Star a borrow
      star: Make planet() sync
      ship: Make download() sync
      planet: Fix template for VMs
      planet: Make deathstar hard shutdown
      planet: Include status in struct
      WIP: auto-mount ship
      star: Automatically mount ships
      No flake
      colony: Initial cloud-init support