[clavior] Add new extractor

[LucBerge]

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What is the purpose of your pull request?

• Bug fix
• Improvement
• New extractor
• New feature

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Description of your pull request and other information

New extractor for the websites clavior.com and bofiaz.com. Those websites use the same html code and database but not the same domain.

[LucBerge]

Encoding problem with python 2.6 and 2.7. I'll fix it soon.

[dstftw]

youtube-dl does not support sites dedicated to copyright infringement.