Changes:
2019-03-29 vadimsh@chromium.org [lucicfg] Add native support for luci-notify email templates.
2019-03-29 vadimsh@chromium.org [lucicfg] Move normalization code into a separate package, clean it up.
2019-03-28 vadimsh@chromium.org [lucicfg] Use full file path when matching against tracked_files patterns.
2019-03-28 vadimsh@chromium.org [lucicfg] Add lucicfg.emit(...) function.
2019-03-28 vadimsh@chromium.org [lucicfg] Fix a confusing error when using None as dimension value.
2019-03-28 vadimsh@chromium.org [lucicfg] Catch up to recent-ish config proto changes.
2019-03-25 vadimsh@chromium.org [lucicfg] Fix bug in luci.notifier(...).
2019-03-22 vadimsh@chromium.org [lucicfg] Add lucicfg.check_version(...).
2019-03-22 vadimsh@chromium.org [lucicfg] Add luci-notify.cfg support.

TBR=tandrii@chromium.org

Change-Id: Ia3a8261adccc531949ee59004098052b7f084d5f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/1546379Reviewed-by: Vadim Shtayura <vadimsh@chromium.org>
Reviewed-by: Andrii Shyshkalov <tandrii@chromium.org>
Commit-Queue: Vadim Shtayura <vadimsh@chromium.org>