Fix#324, relates #314
1. Update gocritic to the latest version
2. Use proper gocritic checkers repo, old repo was archived
3. Get enabled by default gocritic checks in sync with go-critic: don't
enable performance, experimental and opinionated checks by default
4. Support of `enabled-tags` options for gocritic
5. Enable almost all gocritic checks for the project
6. Make rich debugging for gocritic
7. Meticulously validate gocritic checks config
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