deploytool: Add README.md, migrate docs to it.

deploytool: Add README.md, migrate docs to it.

Update some minor deploytool behavior to conform to the
documentation.

Move deploytool into "cmd/deploytool" so a "go build" or "go install"
will appropriately name it "deploytool" instead of "cmd".

BUG=chromium:631539
TEST=None

Committed: https://github.com/luci/luci-go/commit/2688a24cffb3a313527da327ee26fb583ac25c03

[dnj, 2016-07-26 18:06:55]

Description was changed from

==========
deploytool: Add README.md, migrate docs to it.

BUG=chromium:631539
TEST=None
==========

to

==========
deploytool: Add README.md, migrate docs to it.

Update some minor deploytool behavior to conform to the
documentation.

Move deploytool into "cmd/deploytool" so a "go build" or "go install"
will appropriately name it "deploytool" instead of "cmd".

BUG=chromium:631539
TEST=None
==========

[dnj, 2016-07-26 18:07:12]

dnj@chromium.org changed reviewers:
+ estaab@chromium.org, iannucci@chromium.org

[dnj, 2016-07-26 18:07:12]

PTAL

[estaab, 2016-07-26 23:53:53]

lgtm

[dnj, 2016-07-27 02:13:37]

The CQ bit was checked by dnj@chromium.org

[commit-bot: I haz the power, 2016-07-27 02:13:40]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-07-27 02:19:09]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-07-27 02:19:10]

Try jobs failed on following builders:
  Luci-go Presubmit on luci.infra.try (JOB_FAILED,
https://luci-milo.appspot.com/swarming/task/3042f2a9f626ba10)

[dnj, 2016-07-27 02:28:25]

The CQ bit was checked by dnj@chromium.org

[dnj, 2016-07-27 02:28:26]

The patchset sent to the CQ was uploaded after l-g-t-m from estaab@chromium.org
Link to the patchset: https://codereview.chromium.org/2182213002/#ps40001
(title: "Rename to "luci_deploy"")

[commit-bot: I haz the power, 2016-07-27 02:28:30]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-07-27 02:36:01]

Description was changed from

==========
deploytool: Add README.md, migrate docs to it.

Update some minor deploytool behavior to conform to the
documentation.

Move deploytool into "cmd/deploytool" so a "go build" or "go install"
will appropriately name it "deploytool" instead of "cmd".

BUG=chromium:631539
TEST=None
==========

to

==========
deploytool: Add README.md, migrate docs to it.

Update some minor deploytool behavior to conform to the
documentation.

Move deploytool into "cmd/deploytool" so a "go build" or "go install"
will appropriately name it "deploytool" instead of "cmd".

BUG=chromium:631539
TEST=None

Committed:
https://github.com/luci/luci-go/commit/2688a24cffb3a313527da327ee26fb583ac25c03
==========

[commit-bot: I haz the power, 2016-07-27 02:36:02]

Committed patchset #3 (id:40001) as
https://github.com/luci/luci-go/commit/2688a24cffb3a313527da327ee26fb583ac25c03