MAGETWO-33687: Merge adminhtml and frontend JS template Engine changes

- Change template syntax

Author: Denys Rul

app/code/Magento/ConfigurableProduct/Block/Product/View/Type/Configurable.php

@@ -177,7 +177,7 @@ public function getJsonConfig()
 
         $config = [
             'attributes' => $attributes['priceOptions'],
-            'template' => str_replace('%s', '#{price}', $store->getCurrentCurrency()->getOutputFormat()),
+            'template' => str_replace('%s', '<%= data.price %>', $store->getCurrentCurrency()->getOutputFormat()),
             'prices' => [
                 'oldPrice' => [
                     'amount' => $this->_registerJsPrice($this->_convertPrice($regularPrice->getAmount()->getValue())),