[patch] Happy new year

[kpango]

Signed-off-by: kpango kpango@vdaas.org

Description:

Happy new year!!
I updated license.
each docker files start to use MAINTAINER ARG value to set container maintainers.

Related Issue:

How Has This Been Tested?:

Environment:

• Go Version: 1.15.2
• Docker Version: 19.03.8
• Kubernetes Version: 1.18.2
• NGT Version: 1.12.1

Types of changes:

• Bug fix [type/bug]
• New feature [type/feature]
• Add tests [type/test]
• Security related changes [type/security]
• Add documents [type/documentation]
• Refactoring [type/refactoring]
• Update dependencies [type/dependency]
• Update benchmarks and performances [type/bench]
• Update CI [type/ci]

Changes to Core Features:

• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you written new tests for your core changes, as applicable?
• Have you successfully ran tests with your changes locally?

Checklist:

• I have read the CONTRIBUTING document.
• I have checked open Pull Requests for the similar feature or fixes?
• I have added tests and benchmarks to cover my changes.
• I have ensured all new and existing tests passed.
• I have commented my code, particularly in hard-to-understand areas
• I have updated the documentation accordingly.

[vdaas-ci]

[CHATOPS:HELP] ChatOps commands.

• 🙆‍♀️ /approve - approve
• 💌 /changelog - add changelog comment
• 🍱 /format - format codes and add licenses
• ✅ /gen-test - generate test codes
• 🏷️ /label - add labels
• ⏪ /rebase - rebase master

[github-actions]

[golangci] _{reported by reviewdog 🐶}
only one cuddle assignment allowed before if statement (wsl)

[codecov]

Codecov Report

Merging #905 (e7b6132) into master (ab1ec89) will decrease coverage by 0.04%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #905      +/-   ##
==========================================
- Coverage   19.16%   19.12%   -0.05%     
==========================================
  Files         423      422       -1     
  Lines       19600    19548      -52     
==========================================
- Hits         3756     3738      -18     
+ Misses      15627    15601      -26     
+ Partials      217      209       -8     

Impacted Files	Coverage Δ
cmd/agent/core/ngt/main.go	0.00% <ø> (ø)
cmd/agent/sidecar/main.go	0.00% <ø> (ø)
cmd/discoverer/k8s/main.go	0.00% <ø> (ø)
cmd/gateway/vald/main.go	0.00% <ø> (ø)
cmd/manager/backup/cassandra/main.go	0.00% <ø> (ø)
cmd/manager/backup/mysql/main.go	0.00% <ø> (ø)
cmd/manager/compressor/main.go	0.00% <ø> (ø)
cmd/manager/index/main.go	0.00% <ø> (ø)
cmd/manager/replication/agent/main.go	0.00% <ø> (ø)
cmd/manager/replication/controller/main.go	0.00% <ø> (ø)
... and 48 more

---

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[kevindiu]

LGTM

[vankichi]

HAPPY NEW YEAR 🎉