linkStyle now supports list of indexes with a few tests

[ivan-danilov]

For example:
linkStyle 0,1,2 interpolate basis stroke:#00f,stroke-width:2px;

Other variants of linkStyle syntax are also included

[coveralls]

Pull Request Test Coverage Report for Build 739

• 43 of 48 (89.58%) changed or added relevant lines in 2 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage increased (+0.07%) to 54.324%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/diagrams/flowchart/parser/flow.js	31	36	86.11%

Files with Coverage Reduction	New Missed Lines	%
src/diagrams/flowchart/parser/flow.js	1	62.04%

Totals
Change from base Build 716:	0.07%
Covered Lines:	2058
Relevant Lines:	3762

---

💛 - Coveralls

[ivan-danilov]

Am I supposed to address codeclimate's issues? Most of them are about the code auto-generated from jison, a couple is about similarities in test code (indeed the code pieces are similar when they test similar situations), and one is Function updateLink has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring. To me updateLink looks fine.

I couldn't find contribution guide or something, so could you please advice what should I do next?

[knsv]

Thank you Ivan! I agree, we need to think about the codeclimate tests. If you still want to do something, consider adding some diagrams with this styling in the e2e tests. That will make sure the fix is not lost at some point in the future.