review stage: Add missing functionality

Found a Not implemented panic there, so finished the implementation.

Change-Id: a57c278026
Story-Id: SF-84
story open: Add docs

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Change-Id: 5edebb573c
Story-Id: SF-94
story changes: Add docs

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Change-Id: d1ee7044dc
Story-Id: SF-94
story start: Add docs

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Change-Id: caa82112b6
Story-Id: SF-94
pkg install: Add docs

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Change-Id: da8b6361c0
Story-Id: SF-94
pkg upgrade: Add docs

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Change-Id: 11325c37f9
Story-Id: SF-94
release changes: Add docs

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Change-Id: fd80c8a514
Story-Id: SF-94
release start: Add docs

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Change-Id: 0fb7a023e9
Story-Id: SF-94
release stage: Add docs

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Change-Id: 40471e22ff
Story-Id: SF-94
release deploy: Add docs

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Change-Id: 84c64d4aaa
Story-Id: SF-94
repo bootstrap: Add docs

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Change-Id: 7f79f95689
Story-Id: SF-94
repo init: Add docs

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Change-Id: a5c2af2566
Story-Id: SF-94
version command: Add docs

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Change-Id: f6c0c4c29d
Story-Id: SF-94
version bump: Add docs

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Change-Id: 781251bb9b
Story-Id: SF-94
review post: Add docs

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Change-Id: 9a0da822c1
Story-Id: SF-94
review post: Improve the docs

Change-Id: 6cf86c08c9
Story-Id: SF-94
release start: Fix a typo in the docs

Change-Id: f50f737532
Story-Id: SF-94
release deploy: Improve the docs

Story-Id: SF-94
Change-Id: 3882193d31
release stage: Improve docs

Story-Id: SF-94
Change-Id: d54b18e703