tools: Ensure Gopkg.lock is correct in linting

[ValarDragon]

This adds dep status to the lint process. Also fixes linting errors
that existed earlier. (not sure why they didn't show up on CI)

Closes #1574

• Updated all relevant documentation (docs/) - n/a
• Updated all relevant code comments - n.a
• Wrote tests - n/a
• Updated CHANGELOG.md - not a user facing change
• Updated cmd/gaia and examples/ - n/a

---

For Admin Use:

• Added appropriate labels to PR (ex. wip, ready-for-review, docs)
• Reviewers Assigned
• Squashed all commits, uses message "Merge pull request #XYZ: [title]" (coding standards)

[codecov]

Codecov Report

Merging #1687 into master will decrease coverage by 0.01%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##           master    #1687      +/-   ##
==========================================
- Coverage   62.07%   62.05%   -0.02%     
==========================================
  Files         116      116              
  Lines        6929     6931       +2     
==========================================
  Hits         4301     4301              
- Misses       2385     2387       +2     
  Partials      243      243

[cwgoes]

utACK