Update README.md

Author: Roky97

README.md

@@ -113,17 +113,17 @@ If you like it, you can use our [EmbASPServerExecutor](https://github.com/DeMaCS
  - [Font Awesome Icons 4.7](https://fontawesome.com/v4.7.0/icons/) - Icon set used
  - [jQuery](https://jquery.com) and [its UI Layout plugin](http://plugins.jquery.com/layout) - Used to improve the UI
  - [jQuery contextMenu 2](https://swisnl.github.io/jQuery-contextMenu/) - Used for to create the context menus
- - [keymaster.js](https://github.com/madrobby/keymaster) - Used to implement keyboard shortcuts outside the editor
+ - [Mousetrap](https://craig.is/killing/mice) - Used to implement keyboard shortcuts outside the editor
  - [Pugjs](https://pugjs.org) - Used to create a dynamic html pages
  - [Socket.io](https://socket.io) - Used for executor server connection
  - [Browsersync](https://www.browsersync.io) - Used to enable the live reload on the browser
  - [Gulp](https://gulpjs.com) - Used to automate and enhance the workflow with its plugins:
    - [gulp-nodemon](https://github.com/JacksonGariety/gulp-nodemon) - Used to monitor for any changes in the source files and automatically restart the server
+   - [gulp-babel](https://github.com/babel/gulp-babel#readme) - Used to used to convert ECMAScript 2015+ code into a backwards compatible version of JavaScript
    - [gulp-clean](https://github.com/peter-vilja/gulp-clean) - Used to remove files and folders
    - [gulp-uglify-es](https://gitlab.com/itayronen/gulp-uglify-es) - Used to minify JS files
    - [gulp-autoprefixer](https://github.com/sindresorhus/gulp-autoprefixer#readme) - Used to add CSS prefix
    - [gulp-csso](https://github.com/ben-eb/gulp-csso) - Used to minify CSS files
-   - [gulp-shorthand](https://github.com/kevva/gulp-shorthand) - Used to make the CSS files lighter and more readable
    - [gulp-imagemin](https://github.com/sindresorhus/gulp-imagemin#readme) - Used to minify PNG, JPEG, GIF and SVG images
 
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