Bump jshint from 2.9.6 to 2.10.2 in /js

Bumps [jshint](https://github.com/jshint/jshint) from 2.9.6 to 2.10.2.
- [Release notes](https://github.com/jshint/jshint/releases)
- [Changelog](https://github.com/jshint/jshint/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jshint/jshint/compare/2.9.6...2.10.2

)

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