updates locales and fixed needed empty timeago translations

config/locales/devise/devise.fr.yml

config/locales/diaspora/fr.yml

config/locales/diaspora/ru.yml

config/locales/javascript/javascript.ar.yml

config/locales/javascript/javascript.bg.yml

config/locales/javascript/javascript.br.yml

config/locales/javascript/javascript.cs.yml

config/locales/javascript/javascript.cy.yml

config/locales/javascript/javascript.de.yml

config/locales/javascript/javascript.de_formal.yml

config/locales/javascript/javascript.el.yml

config/locales/javascript/javascript.en_1337.yml

config/locales/javascript/javascript.en_pirate.yml

config/locales/javascript/javascript.eo.yml

config/locales/javascript/javascript.es-AR.yml

config/locales/javascript/javascript.eu.yml

config/locales/javascript/javascript.fi.yml

config/locales/javascript/javascript.fr.yml

config/locales/javascript/javascript.hu.yml

config/locales/javascript/javascript.id.yml