[sled-agent] Tracking issue for Bootstrap Agent / Sled Agent / RSS re-work

[smklein]

The intent of this issue is to track the issues necessary to align the bootstrapping process with what has been described by RFD 259.

• Bootstrap Agent
  • [bootstrap agent] Bootstrap Agent should launch RSS as an explicit service #820
  • [bootstrap agent] Should expose an API for the RSS to call, to initialize the Sled Agent #821
  • [Sled Agent] [Bootstrap Agent] Distinguish between "package-specific" and "sled-specific" configurations #822
  • [Bootstrap Agent] Provide configuration option to distinguish between "scrimlet / gimlet" #823
  • [Bootstrap Agent] Actually create trust quorum -> use unique device IDs -> make bootstrap addresses random #945
• RSS
  • RSS: Collect and transfer IP pool information into Nexus #1958
  • RSS: Collect and transfer x509 cert information into Nexus #1959
• Nexus
  • [rss][nexus][sled-agent] Responsibility for deploying services should (where possible) migrate into Nexus #732
  • [nexus] Nexus should on init block until "rss_initialization_complete" has been called #1148
  • [nexus] Implement "rss_initialization_complete" API #1149

[rcgoodfellow]

CC'ing myself so updates show up in my GH feed @rcgoodfellow