fgm/front__codeschool-react: Adapted version of the code written during the CodeSchool "Powering up with React" course. Also contains the followup code from https://github.com/codeschool/WatchUsBuild-React @ level3-component_state

Frederic G. MARAND 379a30ed0d L3.1 Using state.		%!s(int64=9) %!d(string=hai) anos
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comments.js	379a30ed0d L3.1 Using state.	%!s(int64=9) %!d(string=hai) anos