Merge tag '1.31' into develop

validating on cliente side user's inputs
obtaining response from Despegar pretty well
internationalizing validations on client side
internationalizing flights validations on client side
internationalizing hotels validations on client side
internationalizing cars validations on client side
internationalizing packages validations on client side
Merge branch 'feature/internationalizing_validations_on_client_side' into develop
deleting app_configuration_decorator.rb
validating filters on server side
validating filters on server side
setting http-referer hidden input
redirecting when flash[:alert] pretty well
if not params['filter-min-price'].blank? and not params['filter-max-price'].blank? and params['filter-max-price'].to_f < params['filter-min-price'].to_f
        flash[:alert] = "'Max #{I18n.t(:Price)}' #{I18n.t('errors.messages.greater_than', count:"'Min #{I18n.t(:Price)}'")}"
      end
programing filters validations on client side
fixing tiny bugs
Merge branch 'feature/validating_filters' into develop
huff!
[amarilis] los botones de busqueda algunos les funciona el icono y otros no
DONE
well, hide datetimepicker when click again on icon
setting up the proxy