This ensures that each repository's "npm test" command is fully
independent of wherever it might be in the filesystem.
Bug: T206485
Change-Id: Ibe3da677dd01ef7afa0d3afe8de974f0f11bd313
Removing csslint rather than replacing it with stylelint as there
are no CSS or LESS files in this repo.
Also bumping banana and jsonlint to latest.
Change-Id: I9ffce273f63b061e07c3fa90ab4e82b5e551aa92