fixed jsdoc logo-url and change tagline message

README.md

@@ -1,5 +1,6 @@
 # ![Toast UI ImageEditor](https://user-images.githubusercontent.com/35218826/40895380-0b9f4cd6-67ea-11e8-982f-18121daa3a04.png)
 > Full-featured photo image editor with use canvas, easy to apply, and great filter function
+Full-featured photo image editor using canvas. It is really easy, and it comes with great filters.
 
 
 [![github version](https://img.shields.io/github/release/nhnent/tui.image-editor.svg)](https://github.com/nhnent/tui.image-editor/releases/latest) [![npm version](https://img.shields.io/npm/v/tui-image-editor.svg)](https://www.npmjs.com/package/tui-image-editor) [![bower version](https://img.shields.io/bower/v/tui.image-editor.svg)](https://github.com/nhnent/tui.image-editor/releases/latest) [![license](https://img.shields.io/github/license/nhnent/tui.image-editor.svg)](https://github.com/nhnent/tui.image-editor/blob/master/LICENSE) [![PRs welcome](https://img.shields.io/badge/PRs-welcome-ff69b4.svg)](https://github.com/nhnent/tui.image-editor/issues?q=is%3Aissue+is%3Aopen+label%3A%22help+wanted%22)[![code with hearth by NHN Entertainment](https://img.shields.io/badge/%3C%2F%3E%20with%20%E2%99%A5%20by-NHN%20Entertainment-ff1414.svg)](https://github.com/nhnent)

jsdoc.conf.json

@@ -14,7 +14,7 @@
   "templates": {
     "name": "ImageEditor",
     "logo": {
-      "url": "https://cloud.githubusercontent.com/assets/12269563/20029815/01133928-a39a-11e6-80f3-12500a91c755.png",
+      "url": "https://user-images.githubusercontent.com/35218826/40895380-0b9f4cd6-67ea-11e8-982f-18121daa3a04.png",
       "width": "150px",
       "height": "13px",
       "link": "https://github.com/nhnent/tui.jsdoc-template"