applied legend li span styling to *-legend-icon only (references jtbl…

[davidfhaines]

Description of change

Legend icon and text are both spans within a list item. Styling should apply to legend icon spans only. See #366.

Pull Request check-list

• Run gulp test to ensure there are no linting, or style issues and all tests pass.
• Squash your commits into a few commits only.
• Make sure the commit message is short, concise and descriptive of the issues you're fixing.
• Avoid mixing up multiple issues and/or features, open one pull request for each issue.
• Have you updated the documentation and / or examples?
• Have you included a new test?

…in/angular-chart.js#366)

[jtblin]

Thanks @davidfhaines!

[davidfhaines]

My pleasure @jtblin. Would it make sense to adjust CONTRIBUTING.md to introduce an alternative workflow using the docker assets provided? I had trouble installing GRAPHICSMAGICK so reverted to docker to test.

[jtblin]

Yes you're right, should use docker now for tests actually to ensure reproducibility.