Move chart_class, modules and css to third parameter in HighCharts

[Prakriti-nith]

Shifted chart_class, modules and css to the third parameter and updated all the IRuby examples accordingly.
Need to update the examples in demo_daru-view and wiki.

[coveralls]

Pull Request Test Coverage Report for Build 674

• 20 of 20 (100.0%) changed or added relevant lines in 3 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.002%) to 98.132%

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Totals
Change from base Build 670:	0.002%
Covered Lines:	3204
Relevant Lines:	3265

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💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 675

• 20 of 20 (100.0%) changed or added relevant lines in 3 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.002%) to 98.132%

---

Totals
Change from base Build 670:	0.002%
Covered Lines:	3204
Relevant Lines:	3265

---

💛 - Coveralls

[Prakriti-nith]

@Shekharrajak can you please review this PR?

[Shekharrajak]

I hope you have updated all the examples, if not then update all the examples in IRUby notebook and other web apps . Also update the wiki and refer this PR there and let me know in this PR comment.

[Prakriti-nith]

Yes, I have updated all the IRuby examples and also checked all of them again in this PR. I have updated the examples of Highcharts in demo_daru-view in this PR and have also added the updated CSS example in daru_examples_io_view_rails in this PR.
Updated the wiki images and examples link in Highcharts' features page and Progress Report.