hardening push metaissue

[kevindrosendahl]

must haves:

• [ ] definition resolution hardening
• [ ] definition language hardening
• [ ] harden jobs
• [x] latticectl overhaul
• [ ] audit system name length requirements
• [x] create date for systems
• [x] start/complete dates for deploys
• [x] start/complete dates for teardowns
• [ ] node pool tech debt
• [x] environment block for command builds
• [ ] expand architecture docs
• [x] include version in deploys
• [x] upgrade bazel to >= rules_go 0.15
• [x] revisit api objects
• [x] fix latticectl colon:syntax

nice to haves:

• [ ] move servicemesh/cloudprovider to webhooks
• [ ] controller state machine
• [ ] invalid character sets
• [ ] rename systems
• [ ] add annotation to halt controllers from acting on a resource
• [ ] unclear error message when using a flag and wrong command

old possibly solved issues to check on:

• [x] show services when tearing down
• [x] service NodePaths are the IDs
• [x] service:addresses throws 500