Added RFD section
RFD: Added workshops info (spanish only)
RFD: Translated Emilio's info
RFD: translated Darío info to spanish
RFD: changed bios to 3rd person
RFD: changed some other bio to 3rd person
RFD: Added rustic english translations
Fixed typo
RFD: Added speakers pics
RFD: Fixed indentation
RFD: Updated luke_ar info & pic
Pequeñas correcciones a los textos en español
Minor corrections in English texts
Merge pull request #5 from rubyargentina/ruby_fun_day

Ruby Fun Day section