Implement @sandakersmann translations.
Merge pull request #106 from bearbin/langfix

Implement @sandakersmann translations.
Add translation system and french translation to 'whitepaper', 'news', 'events', 'resources', 'mining', 'minting', 'participate' and 'sponsor' pages.

Correct some inaccurate information in the 'minting' page (51% attack and POS reward).