Genesis tracking issue

[emostov]

• Unit test for genesis service Genesis Boot core logic and CLI #31
• Integration test for genesis Genesis Boot core logic and CLI #31
• CLI command for running genesis Genesis Boot core logic and CLI #31
• CLI command for generating personal key Genesis Boot core logic and CLI #31
• CLI command for verifying genesis outputs (i.e. attestation_doc, expected PCRs), decrypting genesis member output (shard + personal key) CLI for setup members; Hex encode/decode utilities #50
• Fully document CLI commands and high level guide for using genesis CLI