Generates `prompt` and `solution` markup by applying modifications
to `template` markup.
function() {
    // The `solution` markup is built by distributing correct values
    // across the controls and disabling them
    var $ = cheerio.load(this.form.html.template);
    this.form.controls.forEach(function(ctl) {
      switch(ctl.type) {
        case 'checkboxGroup':
        case 'radioGroup':
          ctl.items.forEach(function(item) {
            var input = $('input#' + item.id);
            input.attr('disabled', 'disabled');
            if (item.value)
              input.attr('checked', 'checked');
          });
          break;
        case 'selectMenu':
          var select = $('select#' + ctl.id);
          select.attr('disabled', 'disabled');
          ctl.items.forEach(function(item) {
            if (item.value)
              select.val(item.id);
          });
          break;
        case 'inputText':
          var input = $('input#' + ctl.id);
          input.val(ctl.value);
          input.attr('disabled', 'disabled');
          break;
        case 'associativeGroup':
          var ag = $('fieldset#' + ctl.id);
          ag.addClass('disabled');
          utils.associativeGroupCategories(ctl).forEach(function(category) {
            var $dropTarget = ag
              .find('#category-' + category.item.id)
              .find('.dropTarget');
            category.items.forEach(function(item) {
              var $item = ag.find('#item-' + item.id);
              $dropTarget.append($item);
            });
          });
          break;
      }
    }, this);
    this.form.html.solution = $.html();
    // The `prompt` markup
    $ = cheerio.load(this.form.html.template);
    // Solution blocks are removed
    $('.solution').remove();
    // Sortable items are shuffled
    utils.shuffle($, '.sortableGroup');
    utils.shuffle($, '.associativeGroup .items');
    this.form.html.prompt = $.html();
  }