chore: Prepare for release v2.0.2 (#369)

No other open pull requests. @aaronliu0130 has landed some critical
changes.
* [x] Merge a new pull request that only updates the version number and
updates CHANGELOG.rst.
* [x] Go to https://github.com/cpplint/cpplint/releases/new
* [x] Put in the NEW version number.
* [x] Click the Generate release notes button
* [x] Click the Save draft button and ask other maintainers to review.
* [ ] Ship it and check https://pypi.org/project/cpplint after a few
minutes.

Draft release:
https://github.com/cpplint/cpplint/releases/edit/untagged-bac3df867046406901f0

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Co-authored-by: Aaron Liu <aaronliu0130@gmail.com>

chore: bump 2.0.1 release date again (#335)

Bump the date again before releasing 2.0.1, then squash and merge and
release (remember to create a new tag and follow the testing process in
CONTRIBUTING.rst).

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Co-authored-by: Christian Clauss <cclauss@me.com>

Releasing 2.0.0 (#292)

Release 1.6.1, provide changelog

changelog for version 1.6.0

Releasing 1.5.5: Bump version, Update changelog

try fix py27

upgrade version

Release 1.5.3

Release 1.5.2