public/build/static/application.js
function(index, follow) {
            if (_.isNull(follow)) follow = index;
            var value = "";
            value = index ? "index" : "noindex";
            value =  value + "," + (follow ? "follow" : "nofollow");
            this.meta("robots", value);
            return this;
        }
function(index, follow) {
            if (_.isNull(follow)) follow = index;
            var value = "";
            value = index ? "index" : "noindex";
            value =  value + "," + (follow ? "follow" : "nofollow");
            this.meta("robots", value);
            return this;
        }
function ( index , follow ) { if ( _ . isNull ( follow ) ) follow = index ; var value = "" ; value = index ? "index" : "noindex" ; value = value + "," + ( follow ? "follow" : "nofollow" ) ; this . meta ( "robots" , value ) ; return this ; }
Active or desactive page indexation using robots meta tag

@method setCrawling
@param {boolean} index
@return {boolean} follow
Active or desactive page indexation using robots meta tag