Move "common/config" common types into cfgtypes.

Move "common/config" common types into cfgtypes.

Move ProjectName and ProjectConfigSet into its own generic package:
"luci_config/common/cfgtypes".

BUG=chromium:674378
TEST=None

Review-Url: https://codereview.chromium.org/2626433004
Committed: https://github.com/luci/luci-go/commit/642108c30d02d7384b5bd960e470a8b4e0ef045b

[dnj, 2017-01-10 01:33:46]

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

[dnj, 2017-01-10 01:33:47]

PTAL. This is NOT a scary CL. Most of the content here is just refactoring.

The only real things to care about are the "luci_config/common/cfgtypes" package
and its predecessor, "common/config".

This is a precursor to a change requested in the next base config service CL,
https://codereview.chromium.org/2580713002/

[iannucci, 2017-01-10 19:24:31]

lgtm

[dnj, 2017-01-10 19:28:35]

The CQ bit was checked by dnj@chromium.org

[commit-bot: I haz the power, 2017-01-10 19:28:40]

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, 2017-01-10 19:36:06]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1484076515063140, "parent_rev":
"94914026ea13c7896d0a6b5fdb51ae05c622cfb1", "commit_rev":
"642108c30d02d7384b5bd960e470a8b4e0ef045b"}

[commit-bot: I haz the power, 2017-01-10 19:36:10]

Description was changed from

==========
Move "common/config" common types into cfgtypes.

Move ProjectName and ProjectConfigSet into its own generic package:
"luci_config/common/cfgtypes".

BUG=chromium:674378
TEST=None
==========

to

==========
Move "common/config" common types into cfgtypes.

Move ProjectName and ProjectConfigSet into its own generic package:
"luci_config/common/cfgtypes".

BUG=chromium:674378
TEST=None

Review-Url: https://codereview.chromium.org/2626433004
Committed:
https://github.com/luci/luci-go/commit/642108c30d02d7384b5bd960e470a8b4e0ef045b
==========

[commit-bot: I haz the power, 2017-01-10 19:36:11]

Committed patchset #1 (id:1) as
https://github.com/luci/luci-go/commit/642108c30d02d7384b5bd960e470a8b4e0ef045b