Added Required to Formtastic I18n.
Added Required to Formtastic I18n.

Signed-off-by: Justin French <0ce7911e6479995d6c346d6f03eb723b5135309e@indent.com.au>
crashlytics/formtastic,ryanfox1985/formtastic,EndingChaung/formtastic,justinfrench/formtastic,nishaya/formtastic,pcreux/formtastic,thenthen8515/formtastic,Davidzhu001/formtastic,ryanfox1985/formtastic,Guestfolio/formtastic,pat/formtastic,Guestfolio/formtastic,ryanfox1985/formtastic,Davidzhu001/formtastic,justinfrench/formtastic,ConferenceCloud/formtastic,sideci-sample/sideci-sample-formtastic,thenthen8515/formtastic,nishaya/formtastic,EndingChaung/formtastic,wested/formtastic,justinfrench/formtastic,paulodiovani/formtastic,mikz/formtastic,paulodiovani/formtastic,Baltazore/formtastic,mikz/formtastic,ConferenceCloud/formtastic