Merge branch 'master' into release-yoast-seo/9.8

Author: nataliashitova

CHANGELOG.md

@@ -5,7 +5,7 @@ This changelog is according to [Keep a Changelog](http://keepachangelog.com).
 All notable changes to this project will be documented in this file.
 We will follow [Semantic Versioning](http://semver.org/) from version 2 and onwards.
 
-## 1.48.0
+## 1.48.0 February 25th, 2019
 ### Added
 * Improves the feedback for the assessment that checks the length of the text in cornerstone articles.
 

package.json

@@ -9,7 +9,7 @@
   ],
   "main": "index.js",
   "license": "GPL-3.0",
-  "version": "1.47.0",
+  "version": "1.48.0",
   "repository": {
     "type": "git",
     "url": "https://github.com/Yoast/YoastSEO.js"